19489389616

素因数分解:

$2^4\times {\mathrm{1218086851}}^1$

素因数の和:1218086859

約数の個数: 10

約数和(自身を含む): 37760692412

約数和(自身を除く): 18271302796

約数列:

[1, 2, 4, 8, 16, 1218086851, 2436173702, 4872347404, 9744694808, 19489389616]

約数ペア:

[(1, 19489389616), (2, 9744694808), (4, 4872347404), (8, 2436173702), (16, 1218086851)]