18884922

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2131}}^1$

素因数の和:2354

約数の個数: 32

約数和(自身を含む): 43390464

約数和(自身を除く): 24505542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2131, 2954, 4262, 4431, 6393, 8862, 12786, 14917, 29834, 44751, 89502, 449641, 899282, 1348923, 2697846, 3147487, 6294974, 9442461, 18884922]

約数ペア:

[(1, 18884922), (2, 9442461), (3, 6294974), (6, 3147487), (7, 2697846), (14, 1348923), (21, 899282), (42, 449641), (211, 89502), (422, 44751), (633, 29834), (1266, 14917), (1477, 12786), (2131, 8862), (2954, 6393), (4262, 4431)]