18589964

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 33364800

約数和(自身を除く): 14774836

約数列:

[1, 2, 4, 79, 89, 158, 178, 316, 356, 661, 1322, 2644, 7031, 14062, 28124, 52219, 58829, 104438, 117658, 208876, 235316, 4647491, 9294982, 18589964]

約数ペア:

[(1, 18589964), (2, 9294982), (4, 4647491), (79, 235316), (89, 208876), (158, 117658), (178, 104438), (316, 58829), (356, 52219), (661, 28124), (1322, 14062), (2644, 7031)]