18879093

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 28394496

約数和(自身を除く): 9515403

約数列:

[1, 3, 9, 31, 93, 157, 279, 431, 471, 1293, 1413, 3879, 4867, 13361, 14601, 40083, 43803, 67667, 120249, 203001, 609003, 2097677, 6293031, 18879093]

約数ペア:

[(1, 18879093), (3, 6293031), (9, 2097677), (31, 609003), (93, 203001), (157, 120249), (279, 67667), (431, 43803), (471, 40083), (1293, 14601), (1413, 13361), (3879, 4867)]