18719150

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5273}}^1$

素因数の和:5356

約数の個数: 24

約数和(自身を含む): 35314704

約数和(自身を除く): 16595554

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5273, 10546, 26365, 52730, 131825, 263650, 374383, 748766, 1871915, 3743830, 9359575, 18719150]

約数ペア:

[(1, 18719150), (2, 9359575), (5, 3743830), (10, 1871915), (25, 748766), (50, 374383), (71, 263650), (142, 131825), (355, 52730), (710, 26365), (1775, 10546), (3550, 5273)]