19164925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 25875080

約数和(自身を除く): 6710155

約数列:

[1, 5, 13, 25, 65, 109, 325, 541, 545, 1417, 2705, 2725, 7033, 7085, 13525, 35165, 35425, 58969, 175825, 294845, 766597, 1474225, 3832985, 19164925]

約数ペア:

[(1, 19164925), (5, 3832985), (13, 1474225), (25, 766597), (65, 294845), (109, 175825), (325, 58969), (541, 35425), (545, 35165), (1417, 13525), (2705, 7085), (2725, 7033)]