18421931

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 4387669

約数列:

[1, 11, 17, 29, 43, 79, 187, 319, 473, 493, 731, 869, 1247, 1343, 2291, 3397, 5423, 8041, 13717, 14773, 21199, 25201, 37367, 38947, 57749, 98513, 233189, 428417, 635239, 1083643, 1674721, 18421931]

約数ペア:

[(1, 18421931), (11, 1674721), (17, 1083643), (29, 635239), (43, 428417), (79, 233189), (187, 98513), (319, 57749), (473, 38947), (493, 37367), (731, 25201), (869, 21199), (1247, 14773), (1343, 13717), (2291, 8041), (3397, 5423)]