18789955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2383}}^1$

素因数の和:2490

約数の個数: 16

約数和(自身を含む): 24030720

約数和(自身を除く): 5240765

約数列:

[1, 5, 19, 83, 95, 415, 1577, 2383, 7885, 11915, 45277, 197789, 226385, 988945, 3757991, 18789955]

約数ペア:

[(1, 18789955), (5, 3757991), (19, 988945), (83, 226385), (95, 197789), (415, 45277), (1577, 11915), (2383, 7885)]