18354438

素因数分解:

$2^1\times 3^4\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:978

約数の個数: 40

約数和(自身を含む): 41477832

約数和(自身を除く): 23123394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 274, 411, 822, 827, 1233, 1654, 2466, 2481, 3699, 4962, 7398, 7443, 11097, 14886, 22194, 22329, 44658, 66987, 113299, 133974, 226598, 339897, 679794, 1019691, 2039382, 3059073, 6118146, 9177219, 18354438]

約数ペア:

[(1, 18354438), (2, 9177219), (3, 6118146), (6, 3059073), (9, 2039382), (18, 1019691), (27, 679794), (54, 339897), (81, 226598), (137, 133974), (162, 113299), (274, 66987), (411, 44658), (822, 22329), (827, 22194), (1233, 14886), (1654, 11097), (2466, 7443), (2481, 7398), (3699, 4962)]