19895992

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{31481}}^1$

素因数の和:31566

約数の個数: 16

約数和(自身を含む): 37778400

約数和(自身を除く): 17882408

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 31481, 62962, 125924, 251848, 2486999, 4973998, 9947996, 19895992]

約数ペア:

[(1, 19895992), (2, 9947996), (4, 4973998), (8, 2486999), (79, 251848), (158, 125924), (316, 62962), (632, 31481)]