18038371

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 21120176

約数和(自身を除く): 3081805

約数列:

[1, 13, 23, 43, 61, 299, 529, 559, 793, 989, 1403, 2623, 6877, 12857, 18239, 22747, 32269, 34099, 60329, 295711, 419497, 784277, 1387567, 18038371]

約数ペア:

[(1, 18038371), (13, 1387567), (23, 784277), (43, 419497), (61, 295711), (299, 60329), (529, 34099), (559, 32269), (793, 22747), (989, 18239), (1403, 12857), (2623, 6877)]