19078542

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 72

約数和(自身を含む): 48799296

約数和(自身を除く): 29720754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 97, 98, 126, 147, 194, 223, 291, 294, 441, 446, 582, 669, 679, 873, 882, 1338, 1358, 1561, 1746, 2007, 2037, 3122, 4014, 4074, 4683, 4753, 6111, 9366, 9506, 10927, 12222, 14049, 14259, 21631, 21854, 28098, 28518, 32781, 42777, 43262, 64893, 65562, 85554, 98343, 129786, 151417, 194679, 196686, 302834, 389358, 454251, 908502, 1059919, 1362753, 2119838, 2725506, 3179757, 6359514, 9539271, 19078542]

約数ペア:

[(1, 19078542), (2, 9539271), (3, 6359514), (6, 3179757), (7, 2725506), (9, 2119838), (14, 1362753), (18, 1059919), (21, 908502), (42, 454251), (49, 389358), (63, 302834), (97, 196686), (98, 194679), (126, 151417), (147, 129786), (194, 98343), (223, 85554), (291, 65562), (294, 64893), (441, 43262), (446, 42777), (582, 32781), (669, 28518), (679, 28098), (873, 21854), (882, 21631), (1338, 14259), (1358, 14049), (1561, 12222), (1746, 10927), (2007, 9506), (2037, 9366), (3122, 6111), (4014, 4753), (4074, 4683)]