19947410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40709}}^1$

素因数の和:40730

約数の個数: 24

約数和(自身を含む): 41768460

約数和(自身を除く): 21821050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40709, 81418, 203545, 284963, 407090, 569926, 1424815, 1994741, 2849630, 3989482, 9973705, 19947410]

約数ペア:

[(1, 19947410), (2, 9973705), (5, 3989482), (7, 2849630), (10, 1994741), (14, 1424815), (35, 569926), (49, 407090), (70, 284963), (98, 203545), (245, 81418), (490, 40709)]