19120220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136573}}^1$

素因数の和:136589

約数の個数: 24

約数和(自身を含む): 45888864

約数和(自身を除く): 26768644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136573, 273146, 546292, 682865, 956011, 1365730, 1912022, 2731460, 3824044, 4780055, 9560110, 19120220]

約数ペア:

[(1, 19120220), (2, 9560110), (4, 4780055), (5, 3824044), (7, 2731460), (10, 1912022), (14, 1365730), (20, 956011), (28, 682865), (35, 546292), (70, 273146), (140, 136573)]