19779430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179813}}^1$

素因数の和:179831

約数の個数: 16

約数和(自身を含む): 38839824

約数和(自身を除く): 19060394

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179813, 359626, 899065, 1798130, 1977943, 3955886, 9889715, 19779430]

約数ペア:

[(1, 19779430), (2, 9889715), (5, 3955886), (10, 1977943), (11, 1798130), (22, 899065), (55, 359626), (110, 179813)]