19881477495

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1746287}}^1$

素因数の和:1746332

約数の個数: 48

約数和(自身を含む): 39228613632

約数和(自身を除く): 19347136137

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 2277, 3795, 11385, 1746287, 5238861, 8731435, 15716583, 19209157, 26194305, 40164601, 57627471, 78582915, 96045785, 120493803, 172882413, 200823005, 288137355, 361481409, 441810611, 602469015, 864412065, 1325431833, 1807407045, 2209053055, 3976295499, 6627159165, 19881477495]

約数ペア:

[(1, 19881477495), (3, 6627159165), (5, 3976295499), (9, 2209053055), (11, 1807407045), (15, 1325431833), (23, 864412065), (33, 602469015), (45, 441810611), (55, 361481409), (69, 288137355), (99, 200823005), (115, 172882413), (165, 120493803), (207, 96045785), (253, 78582915), (345, 57627471), (495, 40164601), (759, 26194305), (1035, 19209157), (1265, 15716583), (2277, 8731435), (3795, 5238861), (11385, 1746287)]