18508728016

素因数分解:

$2^4\times {\mathrm{15971}}^1\times {\mathrm{72431}}^1$

素因数の和:88410

約数の個数: 20

約数和(自身を含む): 35863401024

約数和(自身を除く): 17354673008

約数列:

[1, 2, 4, 8, 16, 15971, 31942, 63884, 72431, 127768, 144862, 255536, 289724, 579448, 1158896, 1156795501, 2313591002, 4627182004, 9254364008, 18508728016]

約数ペア:

[(1, 18508728016), (2, 9254364008), (4, 4627182004), (8, 2313591002), (16, 1156795501), (15971, 1158896), (31942, 579448), (63884, 289724), (72431, 255536), (127768, 144862)]