18620862

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{238729}}^1$

素因数の和:238747

約数の個数: 16

約数和(自身を含む): 40106640

約数和(自身を除く): 21485778

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 238729, 477458, 716187, 1432374, 3103477, 6206954, 9310431, 18620862]

約数ペア:

[(1, 18620862), (2, 9310431), (3, 6206954), (6, 3103477), (13, 1432374), (26, 716187), (39, 477458), (78, 238729)]