19879866

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 46425600

約数和(自身を除く): 26545734

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 558, 713, 1426, 1549, 2139, 3098, 4278, 4647, 6417, 9294, 12834, 13941, 27882, 35627, 48019, 71254, 96038, 106881, 144057, 213762, 288114, 320643, 432171, 641286, 864342, 1104437, 2208874, 3313311, 6626622, 9939933, 19879866]

約数ペア:

[(1, 19879866), (2, 9939933), (3, 6626622), (6, 3313311), (9, 2208874), (18, 1104437), (23, 864342), (31, 641286), (46, 432171), (62, 320643), (69, 288114), (93, 213762), (138, 144057), (186, 106881), (207, 96038), (279, 71254), (414, 48019), (558, 35627), (713, 27882), (1426, 13941), (1549, 12834), (2139, 9294), (3098, 6417), (4278, 4647)]