18804525019

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1\times {\mathrm{631}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 22133145600

約数和(自身を除く): 3328620581

約数列:

[1, 7, 47, 239, 329, 379, 631, 1673, 2653, 4417, 11233, 17813, 29657, 78631, 90581, 124691, 150809, 207599, 239149, 634067, 1055663, 1674043, 4257307, 7088023, 11240003, 29801149, 49616161, 57156611, 78680021, 400096277, 2686360717, 18804525019]

約数ペア:

[(1, 18804525019), (7, 2686360717), (47, 400096277), (239, 78680021), (329, 57156611), (379, 49616161), (631, 29801149), (1673, 11240003), (2653, 7088023), (4417, 4257307), (11233, 1674043), (17813, 1055663), (29657, 634067), (78631, 239149), (90581, 207599), (124691, 150809)]