18630843

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1367}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12887877

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1367, 1947, 4101, 4543, 9569, 13629, 15037, 28707, 45111, 80653, 105259, 241959, 315777, 564571, 887183, 1693713, 2661549, 6210281, 18630843]

約数ペア:

[(1, 18630843), (3, 6210281), (7, 2661549), (11, 1693713), (21, 887183), (33, 564571), (59, 315777), (77, 241959), (177, 105259), (231, 80653), (413, 45111), (649, 28707), (1239, 15037), (1367, 13629), (1947, 9569), (4101, 4543)]