19105125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3919}}^1$

素因数の和:3950

約数の個数: 32

約数和(自身を含む): 34245120

約数和(自身を除く): 15139995

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 3919, 4875, 11757, 19595, 50947, 58785, 97975, 152841, 254735, 293925, 489875, 764205, 1273675, 1469625, 3821025, 6368375, 19105125]

約数ペア:

[(1, 19105125), (3, 6368375), (5, 3821025), (13, 1469625), (15, 1273675), (25, 764205), (39, 489875), (65, 293925), (75, 254735), (125, 152841), (195, 97975), (325, 58785), (375, 50947), (975, 19595), (1625, 11757), (3919, 4875)]