18690160

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{761}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 43653456

約数和(自身を除く): 24963296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 761, 1228, 1522, 1535, 2456, 3044, 3070, 3805, 4912, 6088, 6140, 7610, 12176, 12280, 15220, 24560, 30440, 60880, 233627, 467254, 934508, 1168135, 1869016, 2336270, 3738032, 4672540, 9345080, 18690160]

約数ペア:

[(1, 18690160), (2, 9345080), (4, 4672540), (5, 3738032), (8, 2336270), (10, 1869016), (16, 1168135), (20, 934508), (40, 467254), (80, 233627), (307, 60880), (614, 30440), (761, 24560), (1228, 15220), (1522, 12280), (1535, 12176), (2456, 7610), (3044, 6140), (3070, 6088), (3805, 4912)]