19429020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 69896736

約数和(自身を除く): 50467716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 23, 26, 30, 36, 38, 39, 45, 46, 52, 57, 60, 65, 69, 76, 78, 90, 92, 95, 114, 115, 117, 130, 138, 156, 171, 180, 190, 195, 207, 228, 230, 234, 247, 260, 276, 285, 299, 342, 345, 361, 380, 390, 414, 437, 460, 468, 494, 570, 585, 598, 684, 690, 722, 741, 780, 828, 855, 874, 897, 988, 1035, 1083, 1140, 1170, 1196, 1235, 1311, 1380, 1444, 1482, 1495, 1710, 1748, 1794, 1805, 2070, 2166, 2185, 2223, 2340, 2470, 2622, 2691, 2964, 2990, 3249, 3420, 3588, 3610, 3705, 3933, 4140, 4332, 4370, 4446, 4485, 4693, 4940, 5244, 5382, 5415, 5681, 5980, 6498, 6555, 7220, 7410, 7866, 8303, 8740, 8892, 8970, 9386, 10764, 10830, 11115, 11362, 12996, 13110, 13455, 14079, 14820, 15732, 16245, 16606, 17043, 17940, 18772, 19665, 21660, 22230, 22724, 23465, 24909, 26220, 26910, 28158, 28405, 32490, 33212, 34086, 39330, 41515, 42237, 44460, 46930, 49818, 51129, 53820, 56316, 56810, 64980, 68172, 70395, 74727, 78660, 83030, 84474, 85215, 93860, 99636, 102258, 107939, 113620, 124545, 140790, 149454, 166060, 168948, 170430, 204516, 211185, 215878, 249090, 255645, 281580, 298908, 323817, 340860, 373635, 422370, 431756, 498180, 511290, 539695, 647634, 747270, 844740, 971451, 1022580, 1079390, 1295268, 1494540, 1619085, 1942902, 2158780, 3238170, 3885804, 4857255, 6476340, 9714510, 19429020]

約数ペア:

[(1, 19429020), (2, 9714510), (3, 6476340), (4, 4857255), (5, 3885804), (6, 3238170), (9, 2158780), (10, 1942902), (12, 1619085), (13, 1494540), (15, 1295268), (18, 1079390), (19, 1022580), (20, 971451), (23, 844740), (26, 747270), (30, 647634), (36, 539695), (38, 511290), (39, 498180), (45, 431756), (46, 422370), (52, 373635), (57, 340860), (60, 323817), (65, 298908), (69, 281580), (76, 255645), (78, 249090), (90, 215878), (92, 211185), (95, 204516), (114, 170430), (115, 168948), (117, 166060), (130, 149454), (138, 140790), (156, 124545), (171, 113620), (180, 107939), (190, 102258), (195, 99636), (207, 93860), (228, 85215), (230, 84474), (234, 83030), (247, 78660), (260, 74727), (276, 70395), (285, 68172), (299, 64980), (342, 56810), (345, 56316), (361, 53820), (380, 51129), (390, 49818), (414, 46930), (437, 44460), (460, 42237), (468, 41515), (494, 39330), (570, 34086), (585, 33212), (598, 32490), (684, 28405), (690, 28158), (722, 26910), (741, 26220), (780, 24909), (828, 23465), (855, 22724), (874, 22230), (897, 21660), (988, 19665), (1035, 18772), (1083, 17940), (1140, 17043), (1170, 16606), (1196, 16245), (1235, 15732), (1311, 14820), (1380, 14079), (1444, 13455), (1482, 13110), (1495, 12996), (1710, 11362), (1748, 11115), (1794, 10830), (1805, 10764), (2070, 9386), (2166, 8970), (2185, 8892), (2223, 8740), (2340, 8303), (2470, 7866), (2622, 7410), (2691, 7220), (2964, 6555), (2990, 6498), (3249, 5980), (3420, 5681), (3588, 5415), (3610, 5382), (3705, 5244), (3933, 4940), (4140, 4693), (4332, 4485), (4370, 4446)]