19635275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{6491}}^1$

素因数の和:6523

約数の個数: 18

約数和(自身を含む): 26766516

約数和(自身を除く): 7131241

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 6491, 32455, 71401, 162275, 357005, 785411, 1785025, 3927055, 19635275]

約数ペア:

[(1, 19635275), (5, 3927055), (11, 1785025), (25, 785411), (55, 357005), (121, 162275), (275, 71401), (605, 32455), (3025, 6491)]