19440730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 17624870

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 1559, 2494, 3118, 6235, 7795, 12470, 15590, 45211, 67037, 90422, 134074, 226055, 335185, 452110, 670370, 1944073, 3888146, 9720365, 19440730]

約数ペア:

[(1, 19440730), (2, 9720365), (5, 3888146), (10, 1944073), (29, 670370), (43, 452110), (58, 335185), (86, 226055), (145, 134074), (215, 90422), (290, 67037), (430, 45211), (1247, 15590), (1559, 12470), (2494, 7795), (3118, 6235)]