18880115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 24092640

約数和(自身を除く): 5212525

約数列:

[1, 5, 17, 85, 389, 571, 1945, 2855, 6613, 9707, 33065, 48535, 222119, 1110595, 3776023, 18880115]

約数ペア:

[(1, 18880115), (5, 3776023), (17, 1110595), (85, 222119), (389, 48535), (571, 33065), (1945, 9707), (2855, 6613)]