18881402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12119}}^1$

素因数の和:12181

約数の個数: 16

約数和(自身を含む): 30542400

約数和(自身を除く): 11660998

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 12119, 24238, 230261, 460522, 496879, 993758, 9440701, 18881402]

約数ペア:

[(1, 18881402), (2, 9440701), (19, 993758), (38, 496879), (41, 460522), (82, 230261), (779, 24238), (1558, 12119)]