18502458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 40792896

約数和(自身を除く): 22290438

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 169, 213, 257, 338, 426, 507, 514, 771, 923, 1014, 1542, 1846, 2769, 3341, 5538, 6682, 10023, 11999, 18247, 20046, 23998, 35997, 36494, 43433, 54741, 71994, 86866, 109482, 130299, 237211, 260598, 474422, 711633, 1423266, 3083743, 6167486, 9251229, 18502458]

約数ペア:

[(1, 18502458), (2, 9251229), (3, 6167486), (6, 3083743), (13, 1423266), (26, 711633), (39, 474422), (71, 260598), (78, 237211), (142, 130299), (169, 109482), (213, 86866), (257, 71994), (338, 54741), (426, 43433), (507, 36494), (514, 35997), (771, 23998), (923, 20046), (1014, 18247), (1542, 11999), (1846, 10023), (2769, 6682), (3341, 5538)]