19498955

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9133}}^1$

素因数の和:9206

約数の個数: 16

約数和(自身を含む): 27182784

約数和(自身を除く): 7683829

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9133, 45665, 63931, 319655, 557113, 2785565, 3899791, 19498955]

約数ペア:

[(1, 19498955), (5, 3899791), (7, 2785565), (35, 557113), (61, 319655), (305, 63931), (427, 45665), (2135, 9133)]