19627905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2531}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 35002368

約数和(自身を除く): 15374463

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2531, 2585, 7593, 7755, 12655, 27841, 37965, 83523, 118957, 139205, 356871, 417615, 594785, 1308527, 1784355, 3925581, 6542635, 19627905]

約数ペア:

[(1, 19627905), (3, 6542635), (5, 3925581), (11, 1784355), (15, 1308527), (33, 594785), (47, 417615), (55, 356871), (141, 139205), (165, 118957), (235, 83523), (517, 37965), (705, 27841), (1551, 12655), (2531, 7755), (2585, 7593)]