19719172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6689}}^1$

素因数の和:6771

約数の個数: 24

約数和(自身を含む): 38213280

約数和(自身を除く): 18494108

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6689, 13378, 26756, 73579, 147158, 294316, 448163, 896326, 1792652, 4929793, 9859586, 19719172]

約数ペア:

[(1, 19719172), (2, 9859586), (4, 4929793), (11, 1792652), (22, 896326), (44, 448163), (67, 294316), (134, 147158), (268, 73579), (737, 26756), (1474, 13378), (2948, 6689)]