19722736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112061}}^1$

素因数の和:112080

約数の個数: 20

約数和(自身を含む): 41687064

約数和(自身を除く): 21964328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112061, 224122, 448244, 896488, 1232671, 1792976, 2465342, 4930684, 9861368, 19722736]

約数ペア:

[(1, 19722736), (2, 9861368), (4, 4930684), (8, 2465342), (11, 1792976), (16, 1232671), (22, 896488), (44, 448244), (88, 224122), (176, 112061)]