19939322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 34245120

約数和(自身を除く): 14305798

約数列:

[1, 2, 13, 19, 26, 38, 181, 223, 247, 362, 446, 494, 2353, 2899, 3439, 4237, 4706, 5798, 6878, 8474, 40363, 44707, 55081, 80726, 89414, 110162, 524719, 766897, 1049438, 1533794, 9969661, 19939322]

約数ペア:

[(1, 19939322), (2, 9969661), (13, 1533794), (19, 1049438), (26, 766897), (38, 524719), (181, 110162), (223, 89414), (247, 80726), (362, 55081), (446, 44707), (494, 40363), (2353, 8474), (2899, 6878), (3439, 5798), (4237, 4706)]