19226739

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 30666240

約数和(自身を除く): 11439501

約数列:

[1, 3, 7, 21, 29, 87, 131, 203, 241, 393, 609, 723, 917, 1687, 2751, 3799, 5061, 6989, 11397, 20967, 26593, 31571, 48923, 79779, 94713, 146769, 220997, 662991, 915559, 2746677, 6408913, 19226739]

約数ペア:

[(1, 19226739), (3, 6408913), (7, 2746677), (21, 915559), (29, 662991), (87, 220997), (131, 146769), (203, 94713), (241, 79779), (393, 48923), (609, 31571), (723, 26593), (917, 20967), (1687, 11397), (2751, 6989), (3799, 5061)]