19186028

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 34188672

約数和(自身を除く): 15002644

約数列:

[1, 2, 4, 137, 157, 223, 274, 314, 446, 548, 628, 892, 21509, 30551, 35011, 43018, 61102, 70022, 86036, 122204, 140044, 4796507, 9593014, 19186028]

約数ペア:

[(1, 19186028), (2, 9593014), (4, 4796507), (137, 140044), (157, 122204), (223, 86036), (274, 70022), (314, 61102), (446, 43018), (548, 35011), (628, 30551), (892, 21509)]