2019011421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{123419}}^1$

素因数の和:123489

約数の個数: 32

約数和(自身を含む): 3317529600

約数和(自身を除く): 1298518179

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 2337, 5453, 16359, 123419, 370257, 863933, 2344961, 2591799, 5060179, 7034883, 15180537, 16414727, 35421253, 49244181, 96143401, 106263759, 288430203, 673003807, 2019011421]

約数ペア:

[(1, 2019011421), (3, 673003807), (7, 288430203), (19, 106263759), (21, 96143401), (41, 49244181), (57, 35421253), (123, 16414727), (133, 15180537), (287, 7034883), (399, 5060179), (779, 2591799), (861, 2344961), (2337, 863933), (5453, 370257), (16359, 123419)]