19918112

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{7879}}^1$

素因数の和:7968

約数の個数: 24

約数和(自身を含む): 39715200

約数和(自身を除く): 19797088

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 7879, 15758, 31516, 63032, 126064, 252128, 622441, 1244882, 2489764, 4979528, 9959056, 19918112]

約数ペア:

[(1, 19918112), (2, 9959056), (4, 4979528), (8, 2489764), (16, 1244882), (32, 622441), (79, 252128), (158, 126064), (316, 63032), (632, 31516), (1264, 15758), (2528, 7879)]