18502281

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^2$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 32155968

約数和(自身を除く): 13653687

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 113, 161, 207, 339, 483, 791, 1017, 1449, 2373, 2599, 7119, 7797, 12769, 18193, 23391, 38307, 54579, 89383, 114921, 163737, 268149, 293687, 804447, 881061, 2055809, 2643183, 6167427, 18502281]

約数ペア:

[(1, 18502281), (3, 6167427), (7, 2643183), (9, 2055809), (21, 881061), (23, 804447), (63, 293687), (69, 268149), (113, 163737), (161, 114921), (207, 89383), (339, 54579), (483, 38307), (791, 23391), (1017, 18193), (1449, 12769), (2373, 7797), (2599, 7119)]