18998288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38303}}^1$

素因数の和:38342

約数の個数: 20

約数和(自身を含む): 37997568

約数和(自身を除く): 18999280

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38303, 76606, 153212, 306424, 612848, 1187393, 2374786, 4749572, 9499144, 18998288]

約数ペア:

[(1, 18998288), (2, 9499144), (4, 4749572), (8, 2374786), (16, 1187393), (31, 612848), (62, 306424), (124, 153212), (248, 76606), (496, 38303)]