18802773

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 12560427

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 297, 423, 449, 517, 891, 1269, 1347, 1551, 3807, 4041, 4653, 4939, 12123, 13959, 14817, 21103, 36369, 41877, 44451, 63309, 133353, 189927, 232133, 400059, 569781, 696399, 1709343, 2089197, 6267591, 18802773]

約数ペア:

[(1, 18802773), (3, 6267591), (9, 2089197), (11, 1709343), (27, 696399), (33, 569781), (47, 400059), (81, 232133), (99, 189927), (141, 133353), (297, 63309), (423, 44451), (449, 41877), (517, 36369), (891, 21103), (1269, 14817), (1347, 13959), (1551, 12123), (3807, 4939), (4041, 4653)]