19438180

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1423}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 40908672

約数和(自身を除く): 21470492

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 1423, 2732, 2846, 3415, 5692, 6830, 7115, 13660, 14230, 28460, 971909, 1943818, 3887636, 4859545, 9719090, 19438180]

約数ペア:

[(1, 19438180), (2, 9719090), (4, 4859545), (5, 3887636), (10, 1943818), (20, 971909), (683, 28460), (1366, 14230), (1423, 13660), (2732, 7115), (2846, 6830), (3415, 5692)]