18883923

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 27878400

約数和(自身を除く): 8994477

約数列:

[1, 3, 17, 43, 51, 79, 109, 129, 237, 327, 731, 1343, 1853, 2193, 3397, 4029, 4687, 5559, 8611, 10191, 14061, 25833, 57749, 79679, 146387, 173247, 239037, 370273, 439161, 1110819, 6294641, 18883923]

約数ペア:

[(1, 18883923), (3, 6294641), (17, 1110819), (43, 439161), (51, 370273), (79, 239037), (109, 173247), (129, 146387), (237, 79679), (327, 57749), (731, 25833), (1343, 14061), (1853, 10191), (2193, 8611), (3397, 5559), (4029, 4687)]