18770975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 25511760

約数和(自身を除く): 6740785

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1523, 2465, 7615, 12325, 25891, 38075, 44167, 129455, 220835, 647275, 750839, 1104175, 3754195, 18770975]

約数ペア:

[(1, 18770975), (5, 3754195), (17, 1104175), (25, 750839), (29, 647275), (85, 220835), (145, 129455), (425, 44167), (493, 38075), (725, 25891), (1523, 12325), (2465, 7615)]