18765964

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9181}}^1$

素因数の和:9265

約数の個数: 24

約数和(自身を含む): 38050208

約数和(自身を除く): 19284244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9181, 18362, 36724, 64267, 128534, 257068, 670213, 1340426, 2680852, 4691491, 9382982, 18765964]

約数ペア:

[(1, 18765964), (2, 9382982), (4, 4691491), (7, 2680852), (14, 1340426), (28, 670213), (73, 257068), (146, 128534), (292, 64267), (511, 36724), (1022, 18362), (2044, 9181)]