19749019

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 22254912

約数和(自身を除く): 2505893

約数列:

[1, 17, 23, 53, 391, 901, 953, 1219, 16201, 20723, 21919, 50509, 372623, 858653, 1161707, 19749019]

約数ペア:

[(1, 19749019), (17, 1161707), (23, 858653), (53, 372623), (391, 50509), (901, 21919), (953, 20723), (1219, 16201)]