19756460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13913}}^1$

素因数の和:13993

約数の個数: 24

約数和(自身を含む): 42075936

約数和(自身を除く): 22319476

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13913, 27826, 55652, 69565, 139130, 278260, 987823, 1975646, 3951292, 4939115, 9878230, 19756460]

約数ペア:

[(1, 19756460), (2, 9878230), (4, 4939115), (5, 3951292), (10, 1975646), (20, 987823), (71, 278260), (142, 139130), (284, 69565), (355, 55652), (710, 27826), (1420, 13913)]