19749972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 50645952

約数和(自身を除く): 30895980

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 953, 1727, 1884, 1906, 2859, 3454, 3812, 5181, 5718, 6908, 10362, 10483, 11436, 20724, 20966, 31449, 41932, 62898, 125796, 149621, 299242, 448863, 598484, 897726, 1645831, 1795452, 3291662, 4937493, 6583324, 9874986, 19749972]

約数ペア:

[(1, 19749972), (2, 9874986), (3, 6583324), (4, 4937493), (6, 3291662), (11, 1795452), (12, 1645831), (22, 897726), (33, 598484), (44, 448863), (66, 299242), (132, 149621), (157, 125796), (314, 62898), (471, 41932), (628, 31449), (942, 20966), (953, 20724), (1727, 11436), (1884, 10483), (1906, 10362), (2859, 6908), (3454, 5718), (3812, 5181)]