17742980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{23977}}^1$

素因数の和:24023

約数の個数: 24

約数和(自身を含む): 38268888

約数和(自身を除く): 20525908

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 23977, 47954, 95908, 119885, 239770, 479540, 887149, 1774298, 3548596, 4435745, 8871490, 17742980]

約数ペア:

[(1, 17742980), (2, 8871490), (4, 4435745), (5, 3548596), (10, 1774298), (20, 887149), (37, 479540), (74, 239770), (148, 119885), (185, 95908), (370, 47954), (740, 23977)]