19842795

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{8999}}^1$

素因数の和:9024

約数の個数: 36

約数和(自身を含む): 40014000

約数和(自身を除く): 20171205

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 8999, 26997, 44995, 62993, 80991, 134985, 188979, 314965, 404955, 440951, 566937, 944895, 1322853, 2204755, 2834685, 3968559, 6614265, 19842795]

約数ペア:

[(1, 19842795), (3, 6614265), (5, 3968559), (7, 2834685), (9, 2204755), (15, 1322853), (21, 944895), (35, 566937), (45, 440951), (49, 404955), (63, 314965), (105, 188979), (147, 134985), (245, 80991), (315, 62993), (441, 44995), (735, 26997), (2205, 8999)]