18940470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{821}}^1$

素因数の和:1600

約数の個数: 32

約数和(自身を含む): 45571680

約数和(自身を除く): 26631210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 769, 821, 1538, 1642, 2307, 2463, 3845, 4105, 4614, 4926, 7690, 8210, 11535, 12315, 23070, 24630, 631349, 1262698, 1894047, 3156745, 3788094, 6313490, 9470235, 18940470]

約数ペア:

[(1, 18940470), (2, 9470235), (3, 6313490), (5, 3788094), (6, 3156745), (10, 1894047), (15, 1262698), (30, 631349), (769, 24630), (821, 23070), (1538, 12315), (1642, 11535), (2307, 8210), (2463, 7690), (3845, 4926), (4105, 4614)]