19507994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8609}}^1$

素因数の和:8725

約数の個数: 16

約数和(自身を含む): 32235840

約数和(自身を除く): 12727846

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8609, 17218, 94699, 189398, 886727, 1773454, 9753997, 19507994]

約数ペア:

[(1, 19507994), (2, 9753997), (11, 1773454), (22, 886727), (103, 189398), (206, 94699), (1133, 17218), (2266, 8609)]