15881994

素因数分解:

$2^1\times 3^7\times {\mathrm{3631}}^1$

素因数の和:3654

約数の個数: 32

約数和(自身を含む): 35738880

約数和(自身を除く): 19856886

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 3631, 4374, 7262, 10893, 21786, 32679, 65358, 98037, 196074, 294111, 588222, 882333, 1764666, 2646999, 5293998, 7940997, 15881994]

約数ペア:

[(1, 15881994), (2, 7940997), (3, 5293998), (6, 2646999), (9, 1764666), (18, 882333), (27, 588222), (54, 294111), (81, 196074), (162, 98037), (243, 65358), (486, 32679), (729, 21786), (1458, 10893), (2187, 7262), (3631, 4374)]