19154308

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 38150784

約数和(自身を除く): 18996476

約数列:

[1, 2, 4, 17, 23, 34, 37, 46, 68, 74, 92, 148, 331, 391, 629, 662, 782, 851, 1258, 1324, 1564, 1702, 2516, 3404, 5627, 7613, 11254, 12247, 14467, 15226, 22508, 24494, 28934, 30452, 48988, 57868, 129421, 208199, 258842, 281681, 416398, 517684, 563362, 832796, 1126724, 4788577, 9577154, 19154308]

約数ペア:

[(1, 19154308), (2, 9577154), (4, 4788577), (17, 1126724), (23, 832796), (34, 563362), (37, 517684), (46, 416398), (68, 281681), (74, 258842), (92, 208199), (148, 129421), (331, 57868), (391, 48988), (629, 30452), (662, 28934), (782, 24494), (851, 22508), (1258, 15226), (1324, 14467), (1564, 12247), (1702, 11254), (2516, 7613), (3404, 5627)]