18447499

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 5744501

約数列:

[1, 7, 17, 19, 41, 119, 133, 199, 287, 323, 697, 779, 1393, 2261, 3383, 3781, 4879, 5453, 8159, 13243, 23681, 26467, 57113, 64277, 92701, 138703, 155021, 449939, 970921, 1085147, 2635357, 18447499]

約数ペア:

[(1, 18447499), (7, 2635357), (17, 1085147), (19, 970921), (41, 449939), (119, 155021), (133, 138703), (199, 92701), (287, 64277), (323, 57113), (697, 26467), (779, 23681), (1393, 13243), (2261, 8159), (3383, 5453), (3781, 4879)]