19793455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15647}}^1$

素因数の和:15686

約数の個数: 16

約数和(自身を含む): 27039744

約数和(自身を除く): 7246289

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15647, 78235, 172117, 359881, 860585, 1799405, 3958691, 19793455]

約数ペア:

[(1, 19793455), (5, 3958691), (11, 1799405), (23, 860585), (55, 359881), (115, 172117), (253, 78235), (1265, 15647)]