19625210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7757}}^1$

素因数の和:7798

約数の個数: 32

約数和(自身を含む): 40217472

約数和(自身を除く): 20592262

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7757, 15514, 38785, 77570, 85327, 170654, 178411, 356822, 426635, 853270, 892055, 1784110, 1962521, 3925042, 9812605, 19625210]

約数ペア:

[(1, 19625210), (2, 9812605), (5, 3925042), (10, 1962521), (11, 1784110), (22, 892055), (23, 853270), (46, 426635), (55, 356822), (110, 178411), (115, 170654), (230, 85327), (253, 77570), (506, 38785), (1265, 15514), (2530, 7757)]