16815664

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{7561}}^1$

素因数の和:7708

約数の個数: 20

約数和(自身を含む): 32819080

約数和(自身を除く): 16003416

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 7561, 15122, 30244, 60488, 120976, 1050979, 2101958, 4203916, 8407832, 16815664]

約数ペア:

[(1, 16815664), (2, 8407832), (4, 4203916), (8, 2101958), (16, 1050979), (139, 120976), (278, 60488), (556, 30244), (1112, 15122), (2224, 7561)]