19246940

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1409}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 40506480

約数和(自身を除く): 21259540

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 1409, 2732, 2818, 3415, 5636, 6830, 7045, 13660, 14090, 28180, 962347, 1924694, 3849388, 4811735, 9623470, 19246940]

約数ペア:

[(1, 19246940), (2, 9623470), (4, 4811735), (5, 3849388), (10, 1924694), (20, 962347), (683, 28180), (1366, 14090), (1409, 13660), (2732, 7045), (2818, 6830), (3415, 5636)]