18984968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{57881}}^1$

素因数の和:57928

約数の個数: 16

約数和(自身を含む): 36465660

約数和(自身を除く): 17480692

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 57881, 115762, 231524, 463048, 2373121, 4746242, 9492484, 18984968]

約数ペア:

[(1, 18984968), (2, 9492484), (4, 4746242), (8, 2373121), (41, 463048), (82, 231524), (164, 115762), (328, 57881)]