17968188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{523}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 48124160

約数和(自身を除く): 30155972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 409, 523, 818, 1046, 1227, 1569, 1636, 2092, 2454, 2863, 3138, 3661, 4908, 5726, 6276, 7322, 8589, 10983, 11452, 14644, 17178, 21966, 34356, 43932, 213907, 427814, 641721, 855628, 1283442, 1497349, 2566884, 2994698, 4492047, 5989396, 8984094, 17968188]

約数ペア:

[(1, 17968188), (2, 8984094), (3, 5989396), (4, 4492047), (6, 2994698), (7, 2566884), (12, 1497349), (14, 1283442), (21, 855628), (28, 641721), (42, 427814), (84, 213907), (409, 43932), (523, 34356), (818, 21966), (1046, 17178), (1227, 14644), (1569, 11452), (1636, 10983), (2092, 8589), (2454, 7322), (2863, 6276), (3138, 5726), (3661, 4908)]