17990242

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{883}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 27623232

約数和(自身を除く): 9632990

約数列:

[1, 2, 61, 122, 167, 334, 883, 1766, 10187, 20374, 53863, 107726, 147461, 294922, 8995121, 17990242]

約数ペア:

[(1, 17990242), (2, 8995121), (61, 294922), (122, 147461), (167, 107726), (334, 53863), (883, 20374), (1766, 10187)]