19888882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 34030080

約数和(自身を除く): 14141198

約数列:

[1, 2, 13, 23, 26, 46, 79, 158, 299, 421, 598, 842, 1027, 1817, 2054, 3634, 5473, 9683, 10946, 19366, 23621, 33259, 47242, 66518, 125879, 251758, 432367, 764957, 864734, 1529914, 9944441, 19888882]

約数ペア:

[(1, 19888882), (2, 9944441), (13, 1529914), (23, 864734), (26, 764957), (46, 432367), (79, 251758), (158, 125879), (299, 66518), (421, 47242), (598, 33259), (842, 23621), (1027, 19366), (1817, 10946), (2054, 9683), (3634, 5473)]