1949778879

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{4021}}^1$

素因数の和:4271

約数の個数: 32

約数和(自身を含む): 2810895360

約数和(自身を除く): 861116481

約数列:

[1, 3, 19, 47, 57, 141, 181, 543, 893, 2679, 3439, 4021, 8507, 10317, 12063, 25521, 76399, 161633, 188987, 229197, 484899, 566961, 727801, 2183403, 3590753, 10772259, 13828219, 34206647, 41484657, 102619941, 649926293, 1949778879]

約数ペア:

[(1, 1949778879), (3, 649926293), (19, 102619941), (47, 41484657), (57, 34206647), (141, 13828219), (181, 10772259), (543, 3590753), (893, 2183403), (2679, 727801), (3439, 566961), (4021, 484899), (8507, 229197), (10317, 188987), (12063, 161633), (25521, 76399)]