18664890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{919}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 44910720

約数和(自身を除く): 26245830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 677, 919, 1354, 1838, 2031, 2757, 3385, 4062, 4595, 5514, 6770, 9190, 10155, 13785, 20310, 27570, 622163, 1244326, 1866489, 3110815, 3732978, 6221630, 9332445, 18664890]

約数ペア:

[(1, 18664890), (2, 9332445), (3, 6221630), (5, 3732978), (6, 3110815), (10, 1866489), (15, 1244326), (30, 622163), (677, 27570), (919, 20310), (1354, 13785), (1838, 10155), (2031, 9190), (2757, 6770), (3385, 5514), (4062, 4595)]