18621494

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 31021056

約数和(自身を除く): 12399562

約数列:

[1, 2, 17, 34, 43, 47, 86, 94, 271, 542, 731, 799, 1462, 1598, 2021, 4042, 4607, 9214, 11653, 12737, 23306, 25474, 34357, 68714, 198101, 216529, 396202, 433058, 547691, 1095382, 9310747, 18621494]

約数ペア:

[(1, 18621494), (2, 9310747), (17, 1095382), (34, 547691), (43, 433058), (47, 396202), (86, 216529), (94, 198101), (271, 68714), (542, 34357), (731, 25474), (799, 23306), (1462, 12737), (1598, 11653), (2021, 9214), (4042, 4607)]