1800884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 3292800

約数和(自身を除く): 1491916

約数列:

[1, 2, 4, 41, 79, 82, 139, 158, 164, 278, 316, 556, 3239, 5699, 6478, 10981, 11398, 12956, 21962, 22796, 43924, 450221, 900442, 1800884]

約数ペア:

[(1, 1800884), (2, 900442), (4, 450221), (41, 43924), (79, 22796), (82, 21962), (139, 12956), (158, 11398), (164, 10981), (278, 6478), (316, 5699), (556, 3239)]