19457768

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20101}}^1$

素因数の和:20129

約数の個数: 24

約数和(自身を含む): 40103490

約数和(自身を除く): 20645722

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20101, 40202, 80404, 160808, 221111, 442222, 884444, 1768888, 2432221, 4864442, 9728884, 19457768]

約数ペア:

[(1, 19457768), (2, 9728884), (4, 4864442), (8, 2432221), (11, 1768888), (22, 884444), (44, 442222), (88, 221111), (121, 160808), (242, 80404), (484, 40202), (968, 20101)]