19942419

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 32296960

約数和(自身を除く): 12354541

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 331, 399, 453, 993, 1057, 2317, 2869, 3171, 6289, 6951, 8607, 18867, 20083, 44023, 49981, 60249, 132069, 149943, 349867, 949639, 1049601, 2848917, 6647473, 19942419]

約数ペア:

[(1, 19942419), (3, 6647473), (7, 2848917), (19, 1049601), (21, 949639), (57, 349867), (133, 149943), (151, 132069), (331, 60249), (399, 49981), (453, 44023), (993, 20083), (1057, 18867), (2317, 8607), (2869, 6951), (3171, 6289)]