19885450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30593}}^1$

素因数の和:30618

約数の個数: 24

約数和(自身を含む): 39833388

約数和(自身を除く): 19947938

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30593, 61186, 152965, 305930, 397709, 764825, 795418, 1529650, 1988545, 3977090, 9942725, 19885450]

約数ペア:

[(1, 19885450), (2, 9942725), (5, 3977090), (10, 1988545), (13, 1529650), (25, 795418), (26, 764825), (50, 397709), (65, 305930), (130, 152965), (325, 61186), (650, 30593)]