19807419

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{571}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 27382784

約数和(自身を除く): 7575365

約数列:

[1, 3, 31, 93, 373, 571, 1119, 1713, 11563, 17701, 34689, 53103, 212983, 638949, 6602473, 19807419]

約数ペア:

[(1, 19807419), (3, 6602473), (31, 638949), (93, 212983), (373, 53103), (571, 34689), (1119, 17701), (1713, 11563)]