18765460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134039}}^1$

素因数の和:134055

約数の個数: 24

約数和(自身を含む): 45037440

約数和(自身を除く): 26271980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134039, 268078, 536156, 670195, 938273, 1340390, 1876546, 2680780, 3753092, 4691365, 9382730, 18765460]

約数ペア:

[(1, 18765460), (2, 9382730), (4, 4691365), (5, 3753092), (7, 2680780), (10, 1876546), (14, 1340390), (20, 938273), (28, 670195), (35, 536156), (70, 268078), (140, 134039)]