17620970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{953}}^1$

素因数の和:1046

約数の個数: 24

約数和(自身を含む): 32506596

約数和(自身を除く): 14885626

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 953, 1849, 1906, 3698, 4765, 9245, 9530, 18490, 40979, 81958, 204895, 409790, 1762097, 3524194, 8810485, 17620970]

約数ペア:

[(1, 17620970), (2, 8810485), (5, 3524194), (10, 1762097), (43, 409790), (86, 204895), (215, 81958), (430, 40979), (953, 18490), (1849, 9530), (1906, 9245), (3698, 4765)]