19672975

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 28252160

約数和(自身を除く): 8579185

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1423, 1975, 2765, 7115, 9961, 13825, 35575, 49805, 112417, 249025, 562085, 786919, 2810425, 3934595, 19672975]

約数ペア:

[(1, 19672975), (5, 3934595), (7, 2810425), (25, 786919), (35, 562085), (79, 249025), (175, 112417), (395, 49805), (553, 35575), (1423, 13825), (1975, 9961), (2765, 7115)]