18872690

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 16036366

約数列:

[1, 2, 5, 10, 73, 103, 146, 206, 251, 365, 502, 515, 730, 1030, 1255, 2510, 7519, 15038, 18323, 25853, 36646, 37595, 51706, 75190, 91615, 129265, 183230, 258530, 1887269, 3774538, 9436345, 18872690]

約数ペア:

[(1, 18872690), (2, 9436345), (5, 3774538), (10, 1887269), (73, 258530), (103, 183230), (146, 129265), (206, 91615), (251, 75190), (365, 51706), (502, 37595), (515, 36646), (730, 25853), (1030, 18323), (1255, 15038), (2510, 7519)]