19218966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4649}}^1$

素因数の和:4720

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 22965834

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4649, 9298, 13947, 27894, 60437, 120874, 181311, 246397, 362622, 492794, 739191, 1478382, 3203161, 6406322, 9609483, 19218966]

約数ペア:

[(1, 19218966), (2, 9609483), (3, 6406322), (6, 3203161), (13, 1478382), (26, 739191), (39, 492794), (53, 362622), (78, 246397), (106, 181311), (159, 120874), (318, 60437), (689, 27894), (1378, 13947), (2067, 9298), (4134, 4649)]