19387360

素因数分解:

$2^5\times 5^1\times {\mathrm{121171}}^1$

素因数の和:121186

約数の個数: 24

約数和(自身を含む): 45803016

約数和(自身を除く): 26415656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121171, 242342, 484684, 605855, 969368, 1211710, 1938736, 2423420, 3877472, 4846840, 9693680, 19387360]

約数ペア:

[(1, 19387360), (2, 9693680), (4, 4846840), (5, 3877472), (8, 2423420), (10, 1938736), (16, 1211710), (20, 969368), (32, 605855), (40, 484684), (80, 242342), (160, 121171)]