19826775

素因数分解:

$3^4\times 5^2\times {\mathrm{9791}}^1$

素因数の和:9813

約数の個数: 30

約数和(自身を含む): 36729792

約数和(自身を除く): 16903017

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9791, 29373, 48955, 88119, 146865, 244775, 264357, 440595, 734325, 793071, 1321785, 2202975, 3965355, 6608925, 19826775]

約数ペア:

[(1, 19826775), (3, 6608925), (5, 3965355), (9, 2202975), (15, 1321785), (25, 793071), (27, 734325), (45, 440595), (75, 264357), (81, 244775), (135, 146865), (225, 88119), (405, 48955), (675, 29373), (2025, 9791)]