18611572

素因数分解:

$2^2\times 7^2\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 38136420

約数和(自身を除く): 19524848

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 269, 353, 538, 706, 1076, 1412, 1883, 2471, 3766, 4942, 7532, 9884, 13181, 17297, 26362, 34594, 52724, 69188, 94957, 189914, 379828, 664699, 1329398, 2658796, 4652893, 9305786, 18611572]

約数ペア:

[(1, 18611572), (2, 9305786), (4, 4652893), (7, 2658796), (14, 1329398), (28, 664699), (49, 379828), (98, 189914), (196, 94957), (269, 69188), (353, 52724), (538, 34594), (706, 26362), (1076, 17297), (1412, 13181), (1883, 9884), (2471, 7532), (3766, 4942)]