18487268

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 33679800

約数和(自身を除く): 15192532

約数列:

[1, 2, 4, 29, 58, 116, 197, 394, 788, 809, 1618, 3236, 5713, 11426, 22852, 23461, 46922, 93844, 159373, 318746, 637492, 4621817, 9243634, 18487268]

約数ペア:

[(1, 18487268), (2, 9243634), (4, 4621817), (29, 637492), (58, 318746), (116, 159373), (197, 93844), (394, 46922), (788, 23461), (809, 22852), (1618, 11426), (3236, 5713)]