19877470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68543}}^1$

素因数の和:68579

約数の個数: 16

約数和(自身を含む): 37013760

約数和(自身を除く): 17136290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68543, 137086, 342715, 685430, 1987747, 3975494, 9938735, 19877470]

約数ペア:

[(1, 19877470), (2, 9938735), (5, 3975494), (10, 1987747), (29, 685430), (58, 342715), (145, 137086), (290, 68543)]