19315384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2131}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 39911040

約数和(自身を除く): 20595656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2131, 2266, 4262, 4532, 8524, 9064, 17048, 23441, 46882, 93764, 187528, 219493, 438986, 877972, 1755944, 2414423, 4828846, 9657692, 19315384]

約数ペア:

[(1, 19315384), (2, 9657692), (4, 4828846), (8, 2414423), (11, 1755944), (22, 877972), (44, 438986), (88, 219493), (103, 187528), (206, 93764), (412, 46882), (824, 23441), (1133, 17048), (2131, 9064), (2266, 8524), (4262, 4532)]