19431140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13309}}^1$

素因数の和:13391

約数の個数: 24

約数和(自身を含む): 41367480

約数和(自身を除く): 21936340

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13309, 26618, 53236, 66545, 133090, 266180, 971557, 1943114, 3886228, 4857785, 9715570, 19431140]

約数ペア:

[(1, 19431140), (2, 9715570), (4, 4857785), (5, 3886228), (10, 1943114), (20, 971557), (73, 266180), (146, 133090), (292, 66545), (365, 53236), (730, 26618), (1460, 13309)]