18165320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6221}}^1$

素因数の和:6305

約数の個数: 32

約数和(自身を含む): 41438520

約数和(自身を除く): 23273200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6221, 12442, 24884, 31105, 49768, 62210, 124420, 248840, 454133, 908266, 1816532, 2270665, 3633064, 4541330, 9082660, 18165320]

約数ペア:

[(1, 18165320), (2, 9082660), (4, 4541330), (5, 3633064), (8, 2270665), (10, 1816532), (20, 908266), (40, 454133), (73, 248840), (146, 124420), (292, 62210), (365, 49768), (584, 31105), (730, 24884), (1460, 12442), (2920, 6221)]