18922840

素因数分解:

$2^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1013}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 42709680

約数和(自身を除く): 23786840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 467, 934, 1013, 1868, 2026, 2335, 3736, 4052, 4670, 5065, 8104, 9340, 10130, 18680, 20260, 40520, 473071, 946142, 1892284, 2365355, 3784568, 4730710, 9461420, 18922840]

約数ペア:

[(1, 18922840), (2, 9461420), (4, 4730710), (5, 3784568), (8, 2365355), (10, 1892284), (20, 946142), (40, 473071), (467, 40520), (934, 20260), (1013, 18680), (1868, 10130), (2026, 9340), (2335, 8104), (3736, 5065), (4052, 4670)]