19678570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 37542528

約数和(自身を除く): 17863958

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1277, 1541, 2554, 3082, 6385, 7705, 12770, 15410, 29371, 58742, 85559, 146855, 171118, 293710, 427795, 855590, 1967857, 3935714, 9839285, 19678570]

約数ペア:

[(1, 19678570), (2, 9839285), (5, 3935714), (10, 1967857), (23, 855590), (46, 427795), (67, 293710), (115, 171118), (134, 146855), (230, 85559), (335, 58742), (670, 29371), (1277, 15410), (1541, 12770), (2554, 7705), (3082, 6385)]