18887788

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 33888960

約数和(自身を除く): 15001172

約数列:

[1, 2, 4, 59, 118, 163, 236, 326, 491, 652, 982, 1964, 9617, 19234, 28969, 38468, 57938, 80033, 115876, 160066, 320132, 4721947, 9443894, 18887788]

約数ペア:

[(1, 18887788), (2, 9443894), (4, 4721947), (59, 320132), (118, 160066), (163, 115876), (236, 80033), (326, 57938), (491, 38468), (652, 28969), (982, 19234), (1964, 9617)]