38963018

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 59627880

約数和(自身を除く): 20664862

約数列:

[1, 2, 61, 122, 389, 778, 821, 1642, 23729, 47458, 50081, 100162, 319369, 638738, 19481509, 38963018]

約数ペア:

[(1, 38963018), (2, 19481509), (61, 638738), (122, 319369), (389, 100162), (778, 50081), (821, 47458), (1642, 23729)]