18785682

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1976

約数の個数: 40

約数和(自身を含む): 42806412

約数和(自身を除く): 24020730

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 1901, 3294, 3802, 4941, 5703, 9882, 11406, 17109, 34218, 51327, 102654, 115961, 153981, 231922, 307962, 347883, 695766, 1043649, 2087298, 3130947, 6261894, 9392841, 18785682]

約数ペア:

[(1, 18785682), (2, 9392841), (3, 6261894), (6, 3130947), (9, 2087298), (18, 1043649), (27, 695766), (54, 347883), (61, 307962), (81, 231922), (122, 153981), (162, 115961), (183, 102654), (366, 51327), (549, 34218), (1098, 17109), (1647, 11406), (1901, 9882), (3294, 5703), (3802, 4941)]