19493778

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 40360320

約数和(自身を除く): 20866542

約数列:

[1, 2, 3, 6, 41, 82, 109, 123, 218, 246, 327, 654, 727, 1454, 2181, 4362, 4469, 8938, 13407, 26814, 29807, 59614, 79243, 89421, 158486, 178842, 237729, 475458, 3248963, 6497926, 9746889, 19493778]

約数ペア:

[(1, 19493778), (2, 9746889), (3, 6497926), (6, 3248963), (41, 475458), (82, 237729), (109, 178842), (123, 158486), (218, 89421), (246, 79243), (327, 59614), (654, 29807), (727, 26814), (1454, 13407), (2181, 8938), (4362, 4469)]