18280755

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7127}}^1$

素因数の和:7160

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15933645

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7127, 21381, 35635, 64143, 106905, 135413, 192429, 320715, 406239, 677065, 962145, 1218717, 2031195, 3656151, 6093585, 18280755]

約数ペア:

[(1, 18280755), (3, 6093585), (5, 3656151), (9, 2031195), (15, 1218717), (19, 962145), (27, 677065), (45, 406239), (57, 320715), (95, 192429), (135, 135413), (171, 106905), (285, 64143), (513, 35635), (855, 21381), (2565, 7127)]