19946538

素因数分解:

$2^1\times 3^2\times {\mathrm{653}}^1\times {\mathrm{1697}}^1$

素因数の和:2358

約数の個数: 24

約数和(自身を含む): 43309188

約数和(自身を除く): 23362650

約数列:

[1, 2, 3, 6, 9, 18, 653, 1306, 1697, 1959, 3394, 3918, 5091, 5877, 10182, 11754, 15273, 30546, 1108141, 2216282, 3324423, 6648846, 9973269, 19946538]

約数ペア:

[(1, 19946538), (2, 9973269), (3, 6648846), (6, 3324423), (9, 2216282), (18, 1108141), (653, 30546), (1306, 15273), (1697, 11754), (1959, 10182), (3394, 5877), (3918, 5091)]