19104215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 26880000

約数和(自身を除く): 7775785

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 499, 589, 1235, 2015, 2495, 2945, 6487, 7657, 9481, 15469, 32435, 38285, 47405, 77345, 123253, 201097, 293911, 616265, 1005485, 1469555, 3820843, 19104215]

約数ペア:

[(1, 19104215), (5, 3820843), (13, 1469555), (19, 1005485), (31, 616265), (65, 293911), (95, 201097), (155, 123253), (247, 77345), (403, 47405), (499, 38285), (589, 32435), (1235, 15469), (2015, 9481), (2495, 7657), (2945, 6487)]