18480392

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 39760320

約数和(自身を除く): 21279928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 997, 1324, 1994, 2317, 2648, 3988, 4634, 6979, 7976, 9268, 13958, 18536, 27916, 55832, 330007, 660014, 1320028, 2310049, 2640056, 4620098, 9240196, 18480392]

約数ペア:

[(1, 18480392), (2, 9240196), (4, 4620098), (7, 2640056), (8, 2310049), (14, 1320028), (28, 660014), (56, 330007), (331, 55832), (662, 27916), (997, 18536), (1324, 13958), (1994, 9268), (2317, 7976), (2648, 6979), (3988, 4634)]