19763696

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13879}}^1$

素因数の和:13976

約数の個数: 20

約数和(自身を含む): 38725200

約数和(自身を除く): 18961504

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13879, 27758, 55516, 111032, 222064, 1235231, 2470462, 4940924, 9881848, 19763696]

約数ペア:

[(1, 19763696), (2, 9881848), (4, 4940924), (8, 2470462), (16, 1235231), (89, 222064), (178, 111032), (356, 55516), (712, 27758), (1424, 13879)]