17619955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 23442048

約数和(自身を除く): 5822093

約数列:

[1, 5, 23, 37, 41, 101, 115, 185, 205, 505, 851, 943, 1517, 2323, 3737, 4141, 4255, 4715, 7585, 11615, 18685, 20705, 34891, 85951, 95243, 153217, 174455, 429755, 476215, 766085, 3523991, 17619955]

約数ペア:

[(1, 17619955), (5, 3523991), (23, 766085), (37, 476215), (41, 429755), (101, 174455), (115, 153217), (185, 95243), (205, 85951), (505, 34891), (851, 20705), (943, 18685), (1517, 11615), (2323, 7585), (3737, 4715), (4141, 4255)]