19907554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14159}}^1$

素因数の和:14217

約数の個数: 16

約数和(自身を含む): 32284800

約数和(自身を除く): 12377246

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14159, 28318, 269021, 523883, 538042, 1047766, 9953777, 19907554]

約数ペア:

[(1, 19907554), (2, 9953777), (19, 1047766), (37, 538042), (38, 523883), (74, 269021), (703, 28318), (1406, 14159)]