18708004

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3079}}^1$

素因数の和:3128

約数の個数: 36

約数和(自身を含む): 39325440

約数和(自身を除く): 20617436

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3079, 6076, 6158, 12316, 21553, 43106, 86212, 95449, 150871, 190898, 301742, 381796, 603484, 668143, 1336286, 2672572, 4677001, 9354002, 18708004]

約数ペア:

[(1, 18708004), (2, 9354002), (4, 4677001), (7, 2672572), (14, 1336286), (28, 668143), (31, 603484), (49, 381796), (62, 301742), (98, 190898), (124, 150871), (196, 95449), (217, 86212), (434, 43106), (868, 21553), (1519, 12316), (3038, 6158), (3079, 6076)]