19839561

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{467}}^1$

素因数の和:518

約数の個数: 36

約数和(自身を含む): 32758128

約数和(自身を除く): 12918567

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 289, 357, 467, 833, 867, 1401, 2023, 2499, 3269, 6069, 7939, 9807, 14161, 22883, 23817, 42483, 55573, 68649, 134963, 166719, 389011, 404889, 944741, 1167033, 2834223, 6613187, 19839561]

約数ペア:

[(1, 19839561), (3, 6613187), (7, 2834223), (17, 1167033), (21, 944741), (49, 404889), (51, 389011), (119, 166719), (147, 134963), (289, 68649), (357, 55573), (467, 42483), (833, 23817), (867, 22883), (1401, 14161), (2023, 9807), (2499, 7939), (3269, 6069)]