18990756

素因数分解:

$2^2\times 3^2\times {\mathrm{419}}^1\times {\mathrm{1259}}^1$

素因数の和:1688

約数の個数: 36

約数和(自身を含む): 48157200

約数和(自身を除く): 29166444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 419, 838, 1257, 1259, 1676, 2514, 2518, 3771, 3777, 5028, 5036, 7542, 7554, 11331, 15084, 15108, 22662, 45324, 527521, 1055042, 1582563, 2110084, 3165126, 4747689, 6330252, 9495378, 18990756]

約数ペア:

[(1, 18990756), (2, 9495378), (3, 6330252), (4, 4747689), (6, 3165126), (9, 2110084), (12, 1582563), (18, 1055042), (36, 527521), (419, 45324), (838, 22662), (1257, 15108), (1259, 15084), (1676, 11331), (2514, 7554), (2518, 7542), (3771, 5036), (3777, 5028)]