18540028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3271}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 35272160

約数和(自身を除く): 16732132

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3271, 5668, 6542, 13084, 42523, 85046, 170092, 356539, 713078, 1426156, 4635007, 9270014, 18540028]

約数ペア:

[(1, 18540028), (2, 9270014), (4, 4635007), (13, 1426156), (26, 713078), (52, 356539), (109, 170092), (218, 85046), (436, 42523), (1417, 13084), (2834, 6542), (3271, 5668)]