19850480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19087}}^1$

素因数の和:19113

約数の個数: 40

約数和(自身を含む): 49705152

約数和(自身を除く): 29854672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19087, 38174, 76348, 95435, 152696, 190870, 248131, 305392, 381740, 496262, 763480, 992524, 1240655, 1526960, 1985048, 2481310, 3970096, 4962620, 9925240, 19850480]

約数ペア:

[(1, 19850480), (2, 9925240), (4, 4962620), (5, 3970096), (8, 2481310), (10, 1985048), (13, 1526960), (16, 1240655), (20, 992524), (26, 763480), (40, 496262), (52, 381740), (65, 305392), (80, 248131), (104, 190870), (130, 152696), (208, 95435), (260, 76348), (520, 38174), (1040, 19087)]