18623358

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 80

約数和(自身を含む): 46347840

約数和(自身を除く): 27724482

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 81, 111, 117, 162, 222, 234, 239, 333, 351, 478, 481, 666, 702, 717, 962, 999, 1053, 1434, 1443, 1998, 2106, 2151, 2886, 2997, 3107, 4302, 4329, 5994, 6214, 6453, 8658, 8843, 9321, 12906, 12987, 17686, 18642, 19359, 25974, 26529, 27963, 38718, 38961, 53058, 55926, 77922, 79587, 83889, 114959, 159174, 167778, 229918, 238761, 251667, 344877, 477522, 503334, 689754, 716283, 1034631, 1432566, 2069262, 3103893, 6207786, 9311679, 18623358]

約数ペア:

[(1, 18623358), (2, 9311679), (3, 6207786), (6, 3103893), (9, 2069262), (13, 1432566), (18, 1034631), (26, 716283), (27, 689754), (37, 503334), (39, 477522), (54, 344877), (74, 251667), (78, 238761), (81, 229918), (111, 167778), (117, 159174), (162, 114959), (222, 83889), (234, 79587), (239, 77922), (333, 55926), (351, 53058), (478, 38961), (481, 38718), (666, 27963), (702, 26529), (717, 25974), (962, 19359), (999, 18642), (1053, 17686), (1434, 12987), (1443, 12906), (1998, 9321), (2106, 8843), (2151, 8658), (2886, 6453), (2997, 6214), (3107, 5994), (4302, 4329)]