18922239

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10357}}^1$

素因数の和:10399

約数の個数: 24

約数和(自身を含む): 32316960

約数和(自身を除く): 13394721

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10357, 31071, 72499, 93213, 217497, 300353, 652491, 901059, 2102471, 2703177, 6307413, 18922239]

約数ペア:

[(1, 18922239), (3, 6307413), (7, 2703177), (9, 2102471), (21, 901059), (29, 652491), (63, 300353), (87, 217497), (203, 93213), (261, 72499), (609, 31071), (1827, 10357)]