2019180005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{3691}}^1$

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 2602948608

約数和(自身を除く): 583768603

約数列:

[1, 5, 23, 67, 71, 115, 335, 355, 1541, 1633, 3691, 4757, 7705, 8165, 18455, 23785, 84893, 109411, 247297, 262061, 424465, 547055, 1236485, 1310305, 5687831, 6027403, 17558087, 28439155, 30137015, 87790435, 403836001, 2019180005]

約数ペア:

[(1, 2019180005), (5, 403836001), (23, 87790435), (67, 30137015), (71, 28439155), (115, 17558087), (335, 6027403), (355, 5687831), (1541, 1310305), (1633, 1236485), (3691, 547055), (4757, 424465), (7705, 262061), (8165, 247297), (18455, 109411), (23785, 84893)]