18821667

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4603}}^1$

素因数の和:4682

約数の個数: 16

約数和(自身を含む): 26519040

約数和(自身を除く): 7697373

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 4603, 13809, 133487, 216341, 400461, 649023, 6273889, 18821667]

約数ペア:

[(1, 18821667), (3, 6273889), (29, 649023), (47, 400461), (87, 216341), (141, 133487), (1363, 13809), (4089, 4603)]