19005204020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86387291}}^1$

素因数の和:86387311

約数の個数: 24

約数和(自身を含む): 43539195168

約数和(自身を除く): 24533991148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86387291, 172774582, 345549164, 431936455, 863872910, 950260201, 1727745820, 1900520402, 3801040804, 4751301005, 9502602010, 19005204020]

約数ペア:

[(1, 19005204020), (2, 9502602010), (4, 4751301005), (5, 3801040804), (10, 1900520402), (11, 1727745820), (20, 950260201), (22, 863872910), (44, 431936455), (55, 345549164), (110, 172774582), (220, 86387291)]