18782043

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1907}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 29581632

約数和(自身を除く): 10799589

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 1907, 3283, 5721, 9849, 13349, 40047, 93443, 127769, 280329, 383307, 894383, 2683149, 6260681, 18782043]

約数ペア:

[(1, 18782043), (3, 6260681), (7, 2683149), (21, 894383), (49, 383307), (67, 280329), (147, 127769), (201, 93443), (469, 40047), (1407, 13349), (1907, 9849), (3283, 5721)]