19885830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2393}}^1$

素因数の和:2680

約数の個数: 32

約数和(自身を含む): 47918304

約数和(自身を除く): 28032474

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2393, 2770, 4155, 4786, 7179, 8310, 11965, 14358, 23930, 35895, 71790, 662861, 1325722, 1988583, 3314305, 3977166, 6628610, 9942915, 19885830]

約数ペア:

[(1, 19885830), (2, 9942915), (3, 6628610), (5, 3977166), (6, 3314305), (10, 1988583), (15, 1325722), (30, 662861), (277, 71790), (554, 35895), (831, 23930), (1385, 14358), (1662, 11965), (2393, 8310), (2770, 7179), (4155, 4786)]