19951984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95923}}^1$

素因数の和:95944

約数の個数: 20

約数和(自身を含む): 41631016

約数和(自身を除く): 21679032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95923, 191846, 383692, 767384, 1246999, 1534768, 2493998, 4987996, 9975992, 19951984]

約数ペア:

[(1, 19951984), (2, 9975992), (4, 4987996), (8, 2493998), (13, 1534768), (16, 1246999), (26, 767384), (52, 383692), (104, 191846), (208, 95923)]