19686840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164057}}^1$

素因数の和:164071

約数の個数: 32

約数和(自身を含む): 59060880

約数和(自身を除く): 39374040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164057, 328114, 492171, 656228, 820285, 984342, 1312456, 1640570, 1968684, 2460855, 3281140, 3937368, 4921710, 6562280, 9843420, 19686840]

約数ペア:

[(1, 19686840), (2, 9843420), (3, 6562280), (4, 4921710), (5, 3937368), (6, 3281140), (8, 2460855), (10, 1968684), (12, 1640570), (15, 1312456), (20, 984342), (24, 820285), (30, 656228), (40, 492171), (60, 328114), (120, 164057)]