19706170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7789}}^1$

素因数の和:7830

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 20677190

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7789, 15578, 38945, 77890, 85679, 171358, 179147, 358294, 428395, 856790, 895735, 1791470, 1970617, 3941234, 9853085, 19706170]

約数ペア:

[(1, 19706170), (2, 9853085), (5, 3941234), (10, 1970617), (11, 1791470), (22, 895735), (23, 856790), (46, 428395), (55, 358294), (110, 179147), (115, 171358), (230, 85679), (253, 77890), (506, 38945), (1265, 15578), (2530, 7789)]