19655696

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{11927}}^1$

素因数の和:12038

約数の個数: 20

約数和(自身を含む): 38455872

約数和(自身を除く): 18800176

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 11927, 23854, 47708, 95416, 190832, 1228481, 2456962, 4913924, 9827848, 19655696]

約数ペア:

[(1, 19655696), (2, 9827848), (4, 4913924), (8, 2456962), (16, 1228481), (103, 190832), (206, 95416), (412, 47708), (824, 23854), (1648, 11927)]