18931983

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4441}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 30383280

約数和(自身を除く): 11451297

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4441, 13323, 31087, 93261, 128789, 217609, 386367, 652827, 901523, 2704569, 6310661, 18931983]

約数ペア:

[(1, 18931983), (3, 6310661), (7, 2704569), (21, 901523), (29, 652827), (49, 386367), (87, 217609), (147, 128789), (203, 93261), (609, 31087), (1421, 13323), (4263, 4441)]