19739573

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 23358720

約数和(自身を除く): 3619147

約数列:

[1, 7, 41, 109, 287, 631, 763, 4417, 4469, 25871, 31283, 68779, 181097, 481453, 2819939, 19739573]

約数ペア:

[(1, 19739573), (7, 2819939), (41, 481453), (109, 181097), (287, 68779), (631, 31283), (763, 25871), (4417, 4469)]