18043868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 17518372

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 83, 92, 139, 166, 278, 332, 391, 556, 782, 1411, 1564, 1909, 2363, 2822, 3197, 3818, 4726, 5644, 6394, 7636, 9452, 11537, 12788, 23074, 32453, 46148, 54349, 64906, 108698, 129812, 196129, 217396, 265351, 392258, 530702, 784516, 1061404, 4510967, 9021934, 18043868]

約数ペア:

[(1, 18043868), (2, 9021934), (4, 4510967), (17, 1061404), (23, 784516), (34, 530702), (46, 392258), (68, 265351), (83, 217396), (92, 196129), (139, 129812), (166, 108698), (278, 64906), (332, 54349), (391, 46148), (556, 32453), (782, 23074), (1411, 12788), (1564, 11537), (1909, 9452), (2363, 7636), (2822, 6394), (3197, 5644), (3818, 4726)]