18858758

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 31138560

約数和(自身を除く): 12279802

約数列:

[1, 2, 23, 29, 46, 58, 67, 134, 211, 422, 667, 1334, 1541, 1943, 3082, 3886, 4853, 6119, 9706, 12238, 14137, 28274, 44689, 89378, 140737, 281474, 325151, 409973, 650302, 819946, 9429379, 18858758]

約数ペア:

[(1, 18858758), (2, 9429379), (23, 819946), (29, 650302), (46, 409973), (58, 325151), (67, 281474), (134, 140737), (211, 89378), (422, 44689), (667, 28274), (1334, 14137), (1541, 12238), (1943, 9706), (3082, 6119), (3886, 4853)]