17996818518

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{38119}}^1$

素因数の和:39386

約数の個数: 64

約数和(自身を含む): 45744000000

約数和(自身を除く): 27747181482

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1249, 2498, 3747, 7494, 8743, 11241, 17486, 22482, 26229, 33723, 38119, 52458, 67446, 76238, 78687, 114357, 157374, 228714, 236061, 266833, 343071, 472122, 533666, 686142, 800499, 1029213, 1600998, 2058426, 2401497, 4802994, 7204491, 14408982, 47610631, 95221262, 142831893, 285663786, 333274417, 428495679, 666548834, 856991358, 999823251, 1285487037, 1999646502, 2570974074, 2999469753, 5998939506, 8998409259, 17996818518]

約数ペア:

[(1, 17996818518), (2, 8998409259), (3, 5998939506), (6, 2999469753), (7, 2570974074), (9, 1999646502), (14, 1285487037), (18, 999823251), (21, 856991358), (27, 666548834), (42, 428495679), (54, 333274417), (63, 285663786), (126, 142831893), (189, 95221262), (378, 47610631), (1249, 14408982), (2498, 7204491), (3747, 4802994), (7494, 2401497), (8743, 2058426), (11241, 1600998), (17486, 1029213), (22482, 800499), (26229, 686142), (33723, 533666), (38119, 472122), (52458, 343071), (67446, 266833), (76238, 236061), (78687, 228714), (114357, 157374)]