20182788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 54

約数和(自身を含む): 53878734

約数和(自身を除く): 33695946

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, 1553, 2166, 3106, 3249, 4332, 4659, 6212, 6498, 9318, 12996, 13977, 18636, 27954, 29507, 55908, 59014, 88521, 118028, 177042, 265563, 354084, 531126, 560633, 1062252, 1121266, 1681899, 2242532, 3363798, 5045697, 6727596, 10091394, 20182788]

約数ペア:

[(1, 20182788), (2, 10091394), (3, 6727596), (4, 5045697), (6, 3363798), (9, 2242532), (12, 1681899), (18, 1121266), (19, 1062252), (36, 560633), (38, 531126), (57, 354084), (76, 265563), (114, 177042), (171, 118028), (228, 88521), (342, 59014), (361, 55908), (684, 29507), (722, 27954), (1083, 18636), (1444, 13977), (1553, 12996), (2166, 9318), (3106, 6498), (3249, 6212), (4332, 4659)]