18439551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 28881216

約数和(自身を除く): 10441665

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 911, 1557, 2249, 2733, 6747, 8199, 11843, 20241, 35529, 106587, 157603, 472809, 1418427, 2048839, 6146517, 18439551]

約数ペア:

[(1, 18439551), (3, 6146517), (9, 2048839), (13, 1418427), (39, 472809), (117, 157603), (173, 106587), (519, 35529), (911, 20241), (1557, 11843), (2249, 8199), (2733, 6747)]