19696530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13399}}^1$

素因数の和:13423

約数の個数: 48

約数和(自身を含む): 54993600

約数和(自身を除く): 35297070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13399, 26798, 40197, 66995, 80394, 93793, 133990, 187586, 200985, 281379, 401970, 468965, 562758, 656551, 937930, 1313102, 1406895, 1969653, 2813790, 3282755, 3939306, 6565510, 9848265, 19696530]

約数ペア:

[(1, 19696530), (2, 9848265), (3, 6565510), (5, 3939306), (6, 3282755), (7, 2813790), (10, 1969653), (14, 1406895), (15, 1313102), (21, 937930), (30, 656551), (35, 562758), (42, 468965), (49, 401970), (70, 281379), (98, 200985), (105, 187586), (147, 133990), (210, 93793), (245, 80394), (294, 66995), (490, 40197), (735, 26798), (1470, 13399)]