18694690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5039}}^1$

素因数の和:5106

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 20496350

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5039, 10078, 25195, 35273, 50390, 70546, 176365, 267067, 352730, 534134, 1335335, 1869469, 2670670, 3738938, 9347345, 18694690]

約数ペア:

[(1, 18694690), (2, 9347345), (5, 3738938), (7, 2670670), (10, 1869469), (14, 1335335), (35, 534134), (53, 352730), (70, 267067), (106, 176365), (265, 70546), (371, 50390), (530, 35273), (742, 25195), (1855, 10078), (3710, 5039)]