19551554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12517}}^1$

素因数の和:12601

約数の個数: 16

約数和(自身を含む): 32446656

約数和(自身を除く): 12895102

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12517, 25034, 137687, 275374, 888707, 1777414, 9775777, 19551554]

約数ペア:

[(1, 19551554), (2, 9775777), (11, 1777414), (22, 888707), (71, 275374), (142, 137687), (781, 25034), (1562, 12517)]