18943470

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 160

約数和(自身を含む): 62935488

約数和(自身を除く): 43992018

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 81, 90, 91, 105, 117, 126, 130, 135, 162, 182, 189, 195, 210, 234, 257, 270, 273, 315, 351, 378, 390, 405, 455, 514, 546, 567, 585, 630, 702, 771, 810, 819, 910, 945, 1053, 1134, 1170, 1285, 1365, 1542, 1638, 1755, 1799, 1890, 2106, 2313, 2457, 2570, 2730, 2835, 3341, 3510, 3598, 3855, 4095, 4626, 4914, 5265, 5397, 5670, 6682, 6939, 7371, 7710, 8190, 8995, 10023, 10530, 10794, 11565, 12285, 13878, 14742, 16191, 16705, 17990, 20046, 20817, 23130, 23387, 24570, 26985, 30069, 32382, 33410, 34695, 36855, 41634, 46774, 48573, 50115, 53970, 60138, 69390, 70161, 73710, 80955, 90207, 97146, 100230, 104085, 116935, 140322, 145719, 150345, 161910, 180414, 208170, 210483, 233870, 242865, 270621, 291438, 300690, 350805, 420966, 451035, 485730, 541242, 631449, 701610, 728595, 902070, 1052415, 1262898, 1353105, 1457190, 1894347, 2104830, 2706210, 3157245, 3788694, 6314490, 9471735, 18943470]

約数ペア:

[(1, 18943470), (2, 9471735), (3, 6314490), (5, 3788694), (6, 3157245), (7, 2706210), (9, 2104830), (10, 1894347), (13, 1457190), (14, 1353105), (15, 1262898), (18, 1052415), (21, 902070), (26, 728595), (27, 701610), (30, 631449), (35, 541242), (39, 485730), (42, 451035), (45, 420966), (54, 350805), (63, 300690), (65, 291438), (70, 270621), (78, 242865), (81, 233870), (90, 210483), (91, 208170), (105, 180414), (117, 161910), (126, 150345), (130, 145719), (135, 140322), (162, 116935), (182, 104085), (189, 100230), (195, 97146), (210, 90207), (234, 80955), (257, 73710), (270, 70161), (273, 69390), (315, 60138), (351, 53970), (378, 50115), (390, 48573), (405, 46774), (455, 41634), (514, 36855), (546, 34695), (567, 33410), (585, 32382), (630, 30069), (702, 26985), (771, 24570), (810, 23387), (819, 23130), (910, 20817), (945, 20046), (1053, 17990), (1134, 16705), (1170, 16191), (1285, 14742), (1365, 13878), (1542, 12285), (1638, 11565), (1755, 10794), (1799, 10530), (1890, 10023), (2106, 8995), (2313, 8190), (2457, 7710), (2570, 7371), (2730, 6939), (2835, 6682), (3341, 5670), (3510, 5397), (3598, 5265), (3855, 4914), (4095, 4626)]