18849519

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5197}}^1$

素因数の和:5247

約数の個数: 24

約数和(自身を含む): 30273152

約数和(自身を除く): 11423633

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5197, 15591, 46773, 67561, 161107, 202683, 483321, 608049, 1449963, 2094391, 6283173, 18849519]

約数ペア:

[(1, 18849519), (3, 6283173), (9, 2094391), (13, 1449963), (31, 608049), (39, 483321), (93, 202683), (117, 161107), (279, 67561), (403, 46773), (1209, 15591), (3627, 5197)]