18140003

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 23639040

約数和(自身を除く): 5499037

約数列:

[1, 7, 17, 19, 71, 113, 119, 133, 323, 497, 791, 1207, 1349, 1921, 2147, 2261, 8023, 8449, 9443, 13447, 15029, 22933, 36499, 56161, 136391, 152437, 160531, 255493, 954737, 1067059, 2591429, 18140003]

約数ペア:

[(1, 18140003), (7, 2591429), (17, 1067059), (19, 954737), (71, 255493), (113, 160531), (119, 152437), (133, 136391), (323, 56161), (497, 36499), (791, 22933), (1207, 15029), (1349, 13447), (1921, 9443), (2147, 8449), (2261, 8023)]