239919156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{18461}}^1$

素因数の和:18509

約数の個数: 54

約数和(自身を含む): 640096002

約数和(自身を除く): 400176846

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6498, 12996, 18461, 36922, 55383, 73844, 110766, 166149, 221532, 332298, 350759, 664596, 701518, 1052277, 1403036, 2104554, 3156831, 4209108, 6313662, 6664421, 12627324, 13328842, 19993263, 26657684, 39986526, 59979789, 79973052, 119959578, 239919156]

約数ペア:

[(1, 239919156), (2, 119959578), (3, 79973052), (4, 59979789), (6, 39986526), (9, 26657684), (12, 19993263), (18, 13328842), (19, 12627324), (36, 6664421), (38, 6313662), (57, 4209108), (76, 3156831), (114, 2104554), (171, 1403036), (228, 1052277), (342, 701518), (361, 664596), (684, 350759), (722, 332298), (1083, 221532), (1444, 166149), (2166, 110766), (3249, 73844), (4332, 55383), (6498, 36922), (12996, 18461)]