18947316

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 47234880

約数和(自身を除く): 28287564

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 131, 204, 262, 393, 524, 709, 786, 1418, 1572, 2127, 2227, 2836, 4254, 4454, 6681, 8508, 8908, 12053, 13362, 24106, 26724, 36159, 48212, 72318, 92879, 144636, 185758, 278637, 371516, 557274, 1114548, 1578943, 3157886, 4736829, 6315772, 9473658, 18947316]

約数ペア:

[(1, 18947316), (2, 9473658), (3, 6315772), (4, 4736829), (6, 3157886), (12, 1578943), (17, 1114548), (34, 557274), (51, 371516), (68, 278637), (102, 185758), (131, 144636), (204, 92879), (262, 72318), (393, 48212), (524, 36159), (709, 26724), (786, 24106), (1418, 13362), (1572, 12053), (2127, 8908), (2227, 8508), (2836, 6681), (4254, 4454)]