19580968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{222511}}^1$

素因数の和:222528

約数の個数: 16

約数和(自身を含む): 40052160

約数和(自身を除く): 20471192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 222511, 445022, 890044, 1780088, 2447621, 4895242, 9790484, 19580968]

約数ペア:

[(1, 19580968), (2, 9790484), (4, 4895242), (8, 2447621), (11, 1780088), (22, 890044), (44, 445022), (88, 222511)]