19975986

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 46368504

約数和(自身を除く): 26392518

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 97, 102, 153, 194, 291, 306, 582, 673, 873, 1346, 1649, 1746, 2019, 3298, 4038, 4947, 6057, 9894, 11441, 12114, 14841, 22882, 29682, 34323, 65281, 68646, 102969, 130562, 195843, 205938, 391686, 587529, 1109777, 1175058, 2219554, 3329331, 6658662, 9987993, 19975986]

約数ペア:

[(1, 19975986), (2, 9987993), (3, 6658662), (6, 3329331), (9, 2219554), (17, 1175058), (18, 1109777), (34, 587529), (51, 391686), (97, 205938), (102, 195843), (153, 130562), (194, 102969), (291, 68646), (306, 65281), (582, 34323), (673, 29682), (873, 22882), (1346, 14841), (1649, 12114), (1746, 11441), (2019, 9894), (3298, 6057), (4038, 4947)]