18968974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 12881522

約数列:

[1, 2, 17, 23, 34, 46, 127, 191, 254, 382, 391, 782, 2159, 2921, 3247, 4318, 4393, 5842, 6494, 8786, 24257, 48514, 49657, 74681, 99314, 149362, 412369, 557911, 824738, 1115822, 9484487, 18968974]

約数ペア:

[(1, 18968974), (2, 9484487), (17, 1115822), (23, 824738), (34, 557911), (46, 412369), (127, 149362), (191, 99314), (254, 74681), (382, 49657), (391, 48514), (782, 24257), (2159, 8786), (2921, 6494), (3247, 5842), (4318, 4393)]