19016151

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 12834345

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 431, 573, 1293, 1337, 2101, 3017, 4011, 4741, 6303, 9051, 14223, 14707, 33187, 44121, 82321, 99561, 246963, 576247, 905531, 1728741, 2716593, 6338717, 19016151]

約数ペア:

[(1, 19016151), (3, 6338717), (7, 2716593), (11, 1728741), (21, 905531), (33, 576247), (77, 246963), (191, 99561), (231, 82321), (431, 44121), (573, 33187), (1293, 14707), (1337, 14223), (2101, 9051), (3017, 6303), (4011, 4741)]