19469140

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1373}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 40972680

約数和(自身を除く): 21503540

約数列:

[1, 2, 4, 5, 10, 20, 709, 1373, 1418, 2746, 2836, 3545, 5492, 6865, 7090, 13730, 14180, 27460, 973457, 1946914, 3893828, 4867285, 9734570, 19469140]

約数ペア:

[(1, 19469140), (2, 9734570), (4, 4867285), (5, 3893828), (10, 1946914), (20, 973457), (709, 27460), (1373, 14180), (1418, 13730), (2746, 7090), (2836, 6865), (3545, 5492)]