18941307

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 31739904

約数和(自身を除く): 12798597

約数列:

[1, 3, 7, 11, 21, 33, 77, 167, 231, 491, 501, 1169, 1473, 1837, 3437, 3507, 5401, 5511, 10311, 12859, 16203, 37807, 38577, 81997, 113421, 245991, 573979, 901967, 1721937, 2705901, 6313769, 18941307]

約数ペア:

[(1, 18941307), (3, 6313769), (7, 2705901), (11, 1721937), (21, 901967), (33, 573979), (77, 245991), (167, 113421), (231, 81997), (491, 38577), (501, 37807), (1169, 16203), (1473, 12859), (1837, 10311), (3437, 5511), (3507, 5401)]