19959090890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14411}}^1\times {\mathrm{8147}}^1$

素因数の和:22582

約数の個数: 32

約数和(自身を含む): 38046988224

約数和(自身を除く): 18087897334

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 8147, 14411, 16294, 28822, 40735, 72055, 81470, 138499, 144110, 244987, 276998, 489974, 692495, 1224935, 1384990, 2449870, 117406417, 234812834, 587032085, 1174064170, 1995909089, 3991818178, 9979545445, 19959090890]

約数ペア:

[(1, 19959090890), (2, 9979545445), (5, 3991818178), (10, 1995909089), (17, 1174064170), (34, 587032085), (85, 234812834), (170, 117406417), (8147, 2449870), (14411, 1384990), (16294, 1224935), (28822, 692495), (40735, 489974), (72055, 276998), (81470, 244987), (138499, 144110)]