19800726

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6977}}^1$

素因数の和:7036

約数の個数: 32

約数和(自身を含む): 44212608

約数和(自身を除く): 24411882

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 6977, 13954, 20931, 41862, 76747, 153494, 230241, 300011, 460482, 600022, 900033, 1800066, 3300121, 6600242, 9900363, 19800726]

約数ペア:

[(1, 19800726), (2, 9900363), (3, 6600242), (6, 3300121), (11, 1800066), (22, 900033), (33, 600022), (43, 460482), (66, 300011), (86, 230241), (129, 153494), (258, 76747), (473, 41862), (946, 20931), (1419, 13954), (2838, 6977)]