18213758

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 28108080

約数和(自身を除く): 9894322

約数列:

[1, 2, 41, 82, 389, 571, 778, 1142, 15949, 23411, 31898, 46822, 222119, 444238, 9106879, 18213758]

約数ペア:

[(1, 18213758), (2, 9106879), (41, 444238), (82, 222119), (389, 46822), (571, 31898), (778, 23411), (1142, 15949)]