19486928980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3371441}}^1$

素因数の和:3371484

約数の個数: 36

約数和(自身を含む): 43471373148

約数和(自身を除く): 23984444168

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 3371441, 6742882, 13485764, 16857205, 33714410, 57314497, 67428820, 114628994, 229257988, 286572485, 573144970, 974346449, 1146289940, 1948692898, 3897385796, 4871732245, 9743464490, 19486928980]

約数ペア:

[(1, 19486928980), (2, 9743464490), (4, 4871732245), (5, 3897385796), (10, 1948692898), (17, 1146289940), (20, 974346449), (34, 573144970), (68, 286572485), (85, 229257988), (170, 114628994), (289, 67428820), (340, 57314497), (578, 33714410), (1156, 16857205), (1445, 13485764), (2890, 6742882), (5780, 3371441)]