19427387

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1801}}^1$

素因数の和:1898

約数の個数: 16

約数和(自身を含む): 23526912

約数和(自身を除く): 4099525

約数列:

[1, 7, 23, 67, 161, 469, 1541, 1801, 10787, 12607, 41423, 120667, 289961, 844669, 2775341, 19427387]

約数ペア:

[(1, 19427387), (7, 2775341), (23, 844669), (67, 289961), (161, 120667), (469, 41423), (1541, 12607), (1801, 10787)]