13274540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 29658720

約数和(自身を除く): 16384180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 193, 362, 380, 386, 724, 772, 905, 965, 1810, 1930, 3439, 3620, 3667, 3860, 6878, 7334, 13756, 14668, 17195, 18335, 34390, 34933, 36670, 68780, 69866, 73340, 139732, 174665, 349330, 663727, 698660, 1327454, 2654908, 3318635, 6637270, 13274540]

約数ペア:

[(1, 13274540), (2, 6637270), (4, 3318635), (5, 2654908), (10, 1327454), (19, 698660), (20, 663727), (38, 349330), (76, 174665), (95, 139732), (181, 73340), (190, 69866), (193, 68780), (362, 36670), (380, 34933), (386, 34390), (724, 18335), (772, 17195), (905, 14668), (965, 13756), (1810, 7334), (1930, 6878), (3439, 3860), (3620, 3667)]