19795460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21059}}^1$

素因数の和:21115

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 22661500

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21059, 42118, 84236, 105295, 210590, 421180, 989773, 1979546, 3959092, 4948865, 9897730, 19795460]

約数ペア:

[(1, 19795460), (2, 9897730), (4, 4948865), (5, 3959092), (10, 1979546), (20, 989773), (47, 421180), (94, 210590), (188, 105295), (235, 84236), (470, 42118), (940, 21059)]