189900854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21419}}^1$

素因数の和:21476

約数の個数: 32

約数和(自身を含む): 345461760

約数和(自身を除く): 155560906

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 4433, 8866, 21419, 42838, 235609, 278447, 471218, 556894, 663989, 1327978, 3062917, 6125834, 7303879, 8631857, 14607758, 17263714, 94950427, 189900854]

約数ペア:

[(1, 189900854), (2, 94950427), (11, 17263714), (13, 14607758), (22, 8631857), (26, 7303879), (31, 6125834), (62, 3062917), (143, 1327978), (286, 663989), (341, 556894), (403, 471218), (682, 278447), (806, 235609), (4433, 42838), (8866, 21419)]