19291175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2435

約数の個数: 24

約数和(自身を含む): 26672400

約数和(自身を除く): 7381225

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2389, 8075, 11945, 40613, 45391, 59725, 203065, 226955, 771647, 1015325, 1134775, 3858235, 19291175]

約数ペア:

[(1, 19291175), (5, 3858235), (17, 1134775), (19, 1015325), (25, 771647), (85, 226955), (95, 203065), (323, 59725), (425, 45391), (475, 40613), (1615, 11945), (2389, 8075)]