18521854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13411586

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 659, 1081, 1222, 1318, 2162, 8567, 14053, 15157, 17134, 28106, 30314, 30973, 61946, 197041, 394082, 402649, 712379, 805298, 1424758, 9260927, 18521854]

約数ペア:

[(1, 18521854), (2, 9260927), (13, 1424758), (23, 805298), (26, 712379), (46, 402649), (47, 394082), (94, 197041), (299, 61946), (598, 30973), (611, 30314), (659, 28106), (1081, 17134), (1222, 15157), (1318, 14053), (2162, 8567)]