18835268

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 34267800

約数和(自身を除く): 15432532

約数列:

[1, 2, 4, 29, 58, 116, 397, 409, 794, 818, 1588, 1636, 11513, 11861, 23026, 23722, 46052, 47444, 162373, 324746, 649492, 4708817, 9417634, 18835268]

約数ペア:

[(1, 18835268), (2, 9417634), (4, 4708817), (29, 649492), (58, 324746), (116, 162373), (397, 47444), (409, 46052), (794, 23722), (818, 23026), (1588, 11861), (1636, 11513)]