18145440260

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2165327}}^1$

素因数の和:2165755

約数の個数: 24

約数和(自身を含む): 38196385920

約数和(自身を除く): 20050945660

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 2165327, 4330654, 8661308, 10826635, 21653270, 43306540, 907272013, 1814544026, 3629088052, 4536360065, 9072720130, 18145440260]

約数ペア:

[(1, 18145440260), (2, 9072720130), (4, 4536360065), (5, 3629088052), (10, 1814544026), (20, 907272013), (419, 43306540), (838, 21653270), (1676, 10826635), (2095, 8661308), (4190, 4330654), (8380, 2165327)]