19890774

素因数分解:

$2^1\times 3^2\times {\mathrm{911}}^1\times {\mathrm{1213}}^1$

素因数の和:2132

約数の個数: 24

約数和(自身を含む): 43179552

約数和(自身を除く): 23288778

約数列:

[1, 2, 3, 6, 9, 18, 911, 1213, 1822, 2426, 2733, 3639, 5466, 7278, 8199, 10917, 16398, 21834, 1105043, 2210086, 3315129, 6630258, 9945387, 19890774]

約数ペア:

[(1, 19890774), (2, 9945387), (3, 6630258), (6, 3315129), (9, 2210086), (18, 1105043), (911, 21834), (1213, 16398), (1822, 10917), (2426, 8199), (2733, 7278), (3639, 5466)]