18967157

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 21962880

約数和(自身を除く): 2995723

約数列:

[1, 11, 23, 61, 253, 671, 1229, 1403, 13519, 15433, 28267, 74969, 310937, 824659, 1724287, 18967157]

約数ペア:

[(1, 18967157), (11, 1724287), (23, 824659), (61, 310937), (253, 74969), (671, 28267), (1229, 15433), (1403, 13519)]