19353972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 30288012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 151, 302, 453, 604, 906, 971, 1661, 1812, 1942, 2913, 3322, 3884, 4983, 5826, 6644, 9966, 10681, 11652, 19932, 21362, 32043, 42724, 64086, 128172, 146621, 293242, 439863, 586484, 879726, 1612831, 1759452, 3225662, 4838493, 6451324, 9676986, 19353972]

約数ペア:

[(1, 19353972), (2, 9676986), (3, 6451324), (4, 4838493), (6, 3225662), (11, 1759452), (12, 1612831), (22, 879726), (33, 586484), (44, 439863), (66, 293242), (132, 146621), (151, 128172), (302, 64086), (453, 42724), (604, 32043), (906, 21362), (971, 19932), (1661, 11652), (1812, 10681), (1942, 9966), (2913, 6644), (3322, 5826), (3884, 4983)]