18015830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{36767}}^1$

素因数の和:36788

約数の個数: 24

約数和(自身を含む): 37723968

約数和(自身を除く): 19708138

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 36767, 73534, 183835, 257369, 367670, 514738, 1286845, 1801583, 2573690, 3603166, 9007915, 18015830]

約数ペア:

[(1, 18015830), (2, 9007915), (5, 3603166), (7, 2573690), (10, 1801583), (14, 1286845), (35, 514738), (49, 367670), (70, 257369), (98, 183835), (245, 73534), (490, 36767)]