19378177

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 25137000

約数和(自身を除く): 5758823

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1049, 1421, 2639, 7343, 13637, 18473, 30421, 51401, 95459, 212947, 395473, 668213, 1490629, 2768311, 19378177]

約数ペア:

[(1, 19378177), (7, 2768311), (13, 1490629), (29, 668213), (49, 395473), (91, 212947), (203, 95459), (377, 51401), (637, 30421), (1049, 18473), (1421, 13637), (2639, 7343)]