19345964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39971}}^1$

素因数の和:39997

約数の個数: 18

約数和(自身を含む): 37213932

約数和(自身を除く): 17867968

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39971, 79942, 159884, 439681, 879362, 1758724, 4836491, 9672982, 19345964]

約数ペア:

[(1, 19345964), (2, 9672982), (4, 4836491), (11, 1758724), (22, 879362), (44, 439681), (121, 159884), (242, 79942), (484, 39971)]