19977792

素因数分解:

$2^6\times 3^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1635

約数の個数: 56

約数和(自身を含む): 53681376

約数和(自身を除く): 33703584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 134, 192, 201, 268, 402, 536, 804, 1072, 1553, 1608, 2144, 3106, 3216, 4288, 4659, 6212, 6432, 9318, 12424, 12864, 18636, 24848, 37272, 49696, 74544, 99392, 104051, 149088, 208102, 298176, 312153, 416204, 624306, 832408, 1248612, 1664816, 2497224, 3329632, 4994448, 6659264, 9988896, 19977792]

約数ペア:

[(1, 19977792), (2, 9988896), (3, 6659264), (4, 4994448), (6, 3329632), (8, 2497224), (12, 1664816), (16, 1248612), (24, 832408), (32, 624306), (48, 416204), (64, 312153), (67, 298176), (96, 208102), (134, 149088), (192, 104051), (201, 99392), (268, 74544), (402, 49696), (536, 37272), (804, 24848), (1072, 18636), (1553, 12864), (1608, 12424), (2144, 9318), (3106, 6432), (3216, 6212), (4288, 4659)]