20198535156

素因数分解:

$2^2\times 3^2\times {\mathrm{561070421}}^1$

素因数の和:561070431

約数の個数: 18

約数和(自身を含む): 51057408402

約数和(自身を除く): 30858873246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561070421, 1122140842, 1683211263, 2244281684, 3366422526, 5049633789, 6732845052, 10099267578, 20198535156]

約数ペア:

[(1, 20198535156), (2, 10099267578), (3, 6732845052), (4, 5049633789), (6, 3366422526), (9, 2244281684), (12, 1683211263), (18, 1122140842), (36, 561070421)]