18070700

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1322

約数の個数: 36

約数和(自身を含む): 39497472

約数和(自身を除く): 21426772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1151, 1570, 2302, 3140, 3925, 4604, 5755, 7850, 11510, 15700, 23020, 28775, 57550, 115100, 180707, 361414, 722828, 903535, 1807070, 3614140, 4517675, 9035350, 18070700]

約数ペア:

[(1, 18070700), (2, 9035350), (4, 4517675), (5, 3614140), (10, 1807070), (20, 903535), (25, 722828), (50, 361414), (100, 180707), (157, 115100), (314, 57550), (628, 28775), (785, 23020), (1151, 15700), (1570, 11510), (2302, 7850), (3140, 5755), (3925, 4604)]