19795750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6091}}^1$

素因数の和:6121

約数の個数: 32

約数和(自身を含む): 39914784

約数和(自身を除く): 20119034

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6091, 12182, 30455, 60910, 79183, 152275, 158366, 304550, 395915, 761375, 791830, 1522750, 1979575, 3959150, 9897875, 19795750]

約数ペア:

[(1, 19795750), (2, 9897875), (5, 3959150), (10, 1979575), (13, 1522750), (25, 791830), (26, 761375), (50, 395915), (65, 304550), (125, 158366), (130, 152275), (250, 79183), (325, 60910), (650, 30455), (1625, 12182), (3250, 6091)]