18396364

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2062

約数の個数: 36

約数和(自身を含む): 38265696

約数和(自身を除く): 19869332

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 1997, 2303, 3994, 4606, 7988, 9212, 13979, 27958, 55916, 93859, 97853, 187718, 195706, 375436, 391412, 657013, 1314026, 2628052, 4599091, 9198182, 18396364]

約数ペア:

[(1, 18396364), (2, 9198182), (4, 4599091), (7, 2628052), (14, 1314026), (28, 657013), (47, 391412), (49, 375436), (94, 195706), (98, 187718), (188, 97853), (196, 93859), (329, 55916), (658, 27958), (1316, 13979), (1997, 9212), (2303, 7988), (3994, 4606)]