18897398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31601}}^1$

素因数の和:31639

約数の個数: 16

約数和(自身を含む): 31854816

約数和(自身を除く): 12957418

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 31601, 63202, 410813, 726823, 821626, 1453646, 9448699, 18897398]

約数ペア:

[(1, 18897398), (2, 9448699), (13, 1453646), (23, 821626), (26, 726823), (46, 410813), (299, 63202), (598, 31601)]