19744870

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23789}}^1$

素因数の和:23879

約数の個数: 16

約数和(自身を含む): 35970480

約数和(自身を除く): 16225610

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 23789, 47578, 118945, 237890, 1974487, 3948974, 9872435, 19744870]

約数ペア:

[(1, 19744870), (2, 9872435), (5, 3948974), (10, 1974487), (83, 237890), (166, 118945), (415, 47578), (830, 23789)]