18931244

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 33868800

約数和(自身を除く): 14937556

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 431, 556, 862, 1724, 10981, 21962, 34049, 43924, 59909, 68098, 119818, 136196, 239636, 4732811, 9465622, 18931244]

約数ペア:

[(1, 18931244), (2, 9465622), (4, 4732811), (79, 239636), (139, 136196), (158, 119818), (278, 68098), (316, 59909), (431, 43924), (556, 34049), (862, 21962), (1724, 10981)]