19182780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 43716420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 79, 90, 95, 114, 142, 158, 171, 180, 190, 213, 228, 237, 284, 285, 316, 342, 355, 380, 395, 426, 474, 570, 639, 684, 710, 711, 790, 852, 855, 948, 1065, 1140, 1185, 1278, 1349, 1420, 1422, 1501, 1580, 1710, 2130, 2370, 2556, 2698, 2844, 3002, 3195, 3420, 3555, 4047, 4260, 4503, 4740, 5396, 5609, 6004, 6390, 6745, 7110, 7505, 8094, 9006, 11218, 12141, 12780, 13490, 13509, 14220, 15010, 16188, 16827, 18012, 20235, 22436, 22515, 24282, 26980, 27018, 28045, 30020, 33654, 40470, 45030, 48564, 50481, 54036, 56090, 60705, 67308, 67545, 80940, 84135, 90060, 100962, 106571, 112180, 121410, 135090, 168270, 201924, 213142, 242820, 252405, 270180, 319713, 336540, 426284, 504810, 532855, 639426, 959139, 1009620, 1065710, 1278852, 1598565, 1918278, 2131420, 3197130, 3836556, 4795695, 6394260, 9591390, 19182780]

約数ペア:

[(1, 19182780), (2, 9591390), (3, 6394260), (4, 4795695), (5, 3836556), (6, 3197130), (9, 2131420), (10, 1918278), (12, 1598565), (15, 1278852), (18, 1065710), (19, 1009620), (20, 959139), (30, 639426), (36, 532855), (38, 504810), (45, 426284), (57, 336540), (60, 319713), (71, 270180), (76, 252405), (79, 242820), (90, 213142), (95, 201924), (114, 168270), (142, 135090), (158, 121410), (171, 112180), (180, 106571), (190, 100962), (213, 90060), (228, 84135), (237, 80940), (284, 67545), (285, 67308), (316, 60705), (342, 56090), (355, 54036), (380, 50481), (395, 48564), (426, 45030), (474, 40470), (570, 33654), (639, 30020), (684, 28045), (710, 27018), (711, 26980), (790, 24282), (852, 22515), (855, 22436), (948, 20235), (1065, 18012), (1140, 16827), (1185, 16188), (1278, 15010), (1349, 14220), (1420, 13509), (1422, 13490), (1501, 12780), (1580, 12141), (1710, 11218), (2130, 9006), (2370, 8094), (2556, 7505), (2698, 7110), (2844, 6745), (3002, 6390), (3195, 6004), (3420, 5609), (3555, 5396), (4047, 4740), (4260, 4503)]