19244005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 26357760

約数和(自身を除く): 7113755

約数列:

[1, 5, 11, 43, 55, 79, 103, 215, 395, 473, 515, 869, 1133, 2365, 3397, 4345, 4429, 5665, 8137, 16985, 22145, 37367, 40685, 48719, 89507, 186835, 243595, 349891, 447535, 1749455, 3848801, 19244005]

約数ペア:

[(1, 19244005), (5, 3848801), (11, 1749455), (43, 447535), (55, 349891), (79, 243595), (103, 186835), (215, 89507), (395, 48719), (473, 40685), (515, 37367), (869, 22145), (1133, 16985), (2365, 8137), (3397, 5665), (4345, 4429)]