189720104

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{19583}}^1$

素因数の和:19769

約数の個数: 32

約数和(自身を含む): 408913920

約数和(自身を除く): 219193816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2422, 4844, 9688, 19583, 39166, 78332, 137081, 156664, 274162, 548324, 1096648, 3387859, 6775718, 13551436, 23715013, 27102872, 47430026, 94860052, 189720104]

約数ペア:

[(1, 189720104), (2, 94860052), (4, 47430026), (7, 27102872), (8, 23715013), (14, 13551436), (28, 6775718), (56, 3387859), (173, 1096648), (346, 548324), (692, 274162), (1211, 156664), (1384, 137081), (2422, 78332), (4844, 39166), (9688, 19583)]