18297695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 25945920

約数和(自身を除く): 7648225

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 571, 1105, 1885, 2465, 2855, 6409, 7423, 9707, 16559, 32045, 37115, 48535, 82795, 126191, 215267, 281503, 630955, 1076335, 1407515, 3659539, 18297695]

約数ペア:

[(1, 18297695), (5, 3659539), (13, 1407515), (17, 1076335), (29, 630955), (65, 281503), (85, 215267), (145, 126191), (221, 82795), (377, 48535), (493, 37115), (571, 32045), (1105, 16559), (1885, 9707), (2465, 7423), (2855, 6409)]