18948861

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 28704000

約数和(自身を除く): 9755139

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 919, 2291, 2757, 6873, 8271, 20619, 26651, 72601, 79953, 217803, 239859, 653409, 2105429, 6316287, 18948861]

約数ペア:

[(1, 18948861), (3, 6316287), (9, 2105429), (29, 653409), (79, 239859), (87, 217803), (237, 79953), (261, 72601), (711, 26651), (919, 20619), (2291, 8271), (2757, 6873)]