19139140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13109}}^1$

素因数の和:13191

約数の個数: 24

約数和(自身を含む): 40745880

約数和(自身を除く): 21606740

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13109, 26218, 52436, 65545, 131090, 262180, 956957, 1913914, 3827828, 4784785, 9569570, 19139140]

約数ペア:

[(1, 19139140), (2, 9569570), (4, 4784785), (5, 3827828), (10, 1913914), (20, 956957), (73, 262180), (146, 131090), (292, 65545), (365, 52436), (730, 26218), (1460, 13109)]