18984249

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 29313440

約数和(自身を除く): 10329191

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 1657, 3819, 4971, 11457, 14913, 31483, 94449, 111019, 283347, 333057, 999171, 2109361, 6328083, 18984249]

約数ペア:

[(1, 18984249), (3, 6328083), (9, 2109361), (19, 999171), (57, 333057), (67, 283347), (171, 111019), (201, 94449), (603, 31483), (1273, 14913), (1657, 11457), (3819, 4971)]