19868944

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42821}}^1$

素因数の和:42858

約数の個数: 20

約数和(自身を含む): 39824460

約数和(自身を除く): 19955516

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42821, 85642, 171284, 342568, 685136, 1241809, 2483618, 4967236, 9934472, 19868944]

約数ペア:

[(1, 19868944), (2, 9934472), (4, 4967236), (8, 2483618), (16, 1241809), (29, 685136), (58, 342568), (116, 171284), (232, 85642), (464, 42821)]