18974730005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{49285013}}^1$

素因数の和:49285036

約数の個数: 16

約数和(自身を含む): 28388168064

約数和(自身を除く): 9413438059

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 49285013, 246425065, 344995091, 542135143, 1724975455, 2710675715, 3794946001, 18974730005]

約数ペア:

[(1, 18974730005), (5, 3794946001), (7, 2710675715), (11, 1724975455), (35, 542135143), (55, 344995091), (77, 246425065), (385, 49285013)]