18761789

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 20152320

約数和(自身を除く): 1390531

約数列:

[1, 31, 47, 79, 163, 1457, 2449, 3713, 5053, 7661, 12877, 115103, 237491, 399187, 605219, 18761789]

約数ペア:

[(1, 18761789), (31, 605219), (47, 399187), (79, 237491), (163, 115103), (1457, 12877), (2449, 7661), (3713, 5053)]