19888890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{94709}}^1$

素因数の和:94726

約数の個数: 32

約数和(自身を含む): 54552960

約数和(自身を除く): 34664070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 94709, 189418, 284127, 473545, 568254, 662963, 947090, 1325926, 1420635, 1988889, 2841270, 3314815, 3977778, 6629630, 9944445, 19888890]

約数ペア:

[(1, 19888890), (2, 9944445), (3, 6629630), (5, 3977778), (6, 3314815), (7, 2841270), (10, 1988889), (14, 1420635), (15, 1325926), (21, 947090), (30, 662963), (35, 568254), (42, 473545), (70, 284127), (105, 189418), (210, 94709)]