18468848

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 36902400

約数和(自身を除く): 18433552

約数列:

[1, 2, 4, 8, 16, 61, 122, 127, 149, 244, 254, 298, 488, 508, 596, 976, 1016, 1192, 2032, 2384, 7747, 9089, 15494, 18178, 18923, 30988, 36356, 37846, 61976, 72712, 75692, 123952, 145424, 151384, 302768, 1154303, 2308606, 4617212, 9234424, 18468848]

約数ペア:

[(1, 18468848), (2, 9234424), (4, 4617212), (8, 2308606), (16, 1154303), (61, 302768), (122, 151384), (127, 145424), (149, 123952), (244, 75692), (254, 72712), (298, 61976), (488, 37846), (508, 36356), (596, 30988), (976, 18923), (1016, 18178), (1192, 15494), (2032, 9089), (2384, 7747)]