18252020157

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1377407}}^1$

素因数の和:1378048

約数の個数: 16

約数和(自身を含む): 27856699392

約数和(自身を除く): 9604679235

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 13251, 1377407, 4132221, 9641849, 28925547, 869143817, 2607431451, 6084006719, 18252020157]

約数ペア:

[(1, 18252020157), (3, 6084006719), (7, 2607431451), (21, 869143817), (631, 28925547), (1893, 9641849), (4417, 4132221), (13251, 1377407)]