18729170

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1453}}^1$

素因数の和:2749

約数の個数: 16

約数和(自身を含む): 33761880

約数和(自身を除く): 15032710

約数列:

[1, 2, 5, 10, 1289, 1453, 2578, 2906, 6445, 7265, 12890, 14530, 1872917, 3745834, 9364585, 18729170]

約数ペア:

[(1, 18729170), (2, 9364585), (5, 3745834), (10, 1872917), (1289, 14530), (1453, 12890), (2578, 7265), (2906, 6445)]