18715360

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2207}}^1$

素因数の和:2275

約数の個数: 48

約数和(自身を含む): 45069696

約数和(自身を除く): 26354336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 2207, 4240, 4414, 8480, 8828, 11035, 17656, 22070, 35312, 44140, 70624, 88280, 116971, 176560, 233942, 353120, 467884, 584855, 935768, 1169710, 1871536, 2339420, 3743072, 4678840, 9357680, 18715360]

約数ペア:

[(1, 18715360), (2, 9357680), (4, 4678840), (5, 3743072), (8, 2339420), (10, 1871536), (16, 1169710), (20, 935768), (32, 584855), (40, 467884), (53, 353120), (80, 233942), (106, 176560), (160, 116971), (212, 88280), (265, 70624), (424, 44140), (530, 35312), (848, 22070), (1060, 17656), (1696, 11035), (2120, 8828), (2207, 8480), (4240, 4414)]