19923145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12491}}^1$

素因数の和:12536

約数の個数: 16

約数和(自身を含む): 26982720

約数和(自身を除く): 7059575

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12491, 62455, 137401, 362239, 687005, 1811195, 3984629, 19923145]

約数ペア:

[(1, 19923145), (5, 3984629), (11, 1811195), (29, 687005), (55, 362239), (145, 137401), (319, 62455), (1595, 12491)]