19959376

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23537}}^1$

素因数の和:23598

約数の個数: 20

約数和(自身を含む): 39402612

約数和(自身を除く): 19443236

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23537, 47074, 94148, 188296, 376592, 1247461, 2494922, 4989844, 9979688, 19959376]

約数ペア:

[(1, 19959376), (2, 9979688), (4, 4989844), (8, 2494922), (16, 1247461), (53, 376592), (106, 188296), (212, 94148), (424, 47074), (848, 23537)]