18253520

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:983

約数の個数: 40

約数和(自身を含む): 42620040

約数和(自身を除く): 24366520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 569, 802, 1138, 1604, 2005, 2276, 2845, 3208, 4010, 4552, 5690, 6416, 8020, 9104, 11380, 16040, 22760, 32080, 45520, 228169, 456338, 912676, 1140845, 1825352, 2281690, 3650704, 4563380, 9126760, 18253520]

約数ペア:

[(1, 18253520), (2, 9126760), (4, 4563380), (5, 3650704), (8, 2281690), (10, 1825352), (16, 1140845), (20, 912676), (40, 456338), (80, 228169), (401, 45520), (569, 32080), (802, 22760), (1138, 16040), (1604, 11380), (2005, 9104), (2276, 8020), (2845, 6416), (3208, 5690), (4010, 4552)]