18503218

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 11978702

約数列:

[1, 2, 29, 31, 41, 58, 62, 82, 251, 502, 899, 1189, 1271, 1798, 2378, 2542, 7279, 7781, 10291, 14558, 15562, 20582, 36859, 73718, 225649, 298439, 319021, 451298, 596878, 638042, 9251609, 18503218]

約数ペア:

[(1, 18503218), (2, 9251609), (29, 638042), (31, 596878), (41, 451298), (58, 319021), (62, 298439), (82, 225649), (251, 73718), (502, 36859), (899, 20582), (1189, 15562), (1271, 14558), (1798, 10291), (2378, 7781), (2542, 7279)]