19425848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1237}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 39516960

約数和(自身を除く): 20091112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1237, 1963, 2474, 3926, 4948, 7852, 9896, 15704, 16081, 32162, 64324, 128648, 186787, 373574, 747148, 1494296, 2428231, 4856462, 9712924, 19425848]

約数ペア:

[(1, 19425848), (2, 9712924), (4, 4856462), (8, 2428231), (13, 1494296), (26, 747148), (52, 373574), (104, 186787), (151, 128648), (302, 64324), (604, 32162), (1208, 16081), (1237, 15704), (1963, 9896), (2474, 7852), (3926, 4948)]