18140805

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13901}}^1$

素因数の和:13941

約数の個数: 24

約数和(自身を含む): 32530680

約数和(自身を除く): 14389875

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 13901, 41703, 69505, 125109, 208515, 403129, 625545, 1209387, 2015645, 3628161, 6046935, 18140805]

約数ペア:

[(1, 18140805), (3, 6046935), (5, 3628161), (9, 2015645), (15, 1209387), (29, 625545), (45, 403129), (87, 208515), (145, 125109), (261, 69505), (435, 41703), (1305, 13901)]