19445240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5857}}^1$

素因数の和:5951

約数の個数: 32

約数和(自身を含む): 44286480

約数和(自身を除く): 24841240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5857, 11714, 23428, 29285, 46856, 58570, 117140, 234280, 486131, 972262, 1944524, 2430655, 3889048, 4861310, 9722620, 19445240]

約数ペア:

[(1, 19445240), (2, 9722620), (4, 4861310), (5, 3889048), (8, 2430655), (10, 1944524), (20, 972262), (40, 486131), (83, 234280), (166, 117140), (332, 58570), (415, 46856), (664, 29285), (830, 23428), (1660, 11714), (3320, 5857)]