19236189

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 31713280

約数和(自身を除く): 12477091

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1303, 2109, 3909, 4921, 9121, 14763, 24757, 27363, 48211, 74271, 144633, 173299, 337477, 519897, 916009, 1012431, 2748027, 6412063, 19236189]

約数ペア:

[(1, 19236189), (3, 6412063), (7, 2748027), (19, 1012431), (21, 916009), (37, 519897), (57, 337477), (111, 173299), (133, 144633), (259, 74271), (399, 48211), (703, 27363), (777, 24757), (1303, 14763), (2109, 9121), (3909, 4921)]