19885305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6343}}^1$

素因数の和:6381

約数の個数: 32

約数和(自身を含む): 36541440

約数和(自身を除く): 16656135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6343, 19029, 31715, 69773, 95145, 120517, 209319, 348865, 361551, 602585, 1046595, 1325687, 1807755, 3977061, 6628435, 19885305]

約数ペア:

[(1, 19885305), (3, 6628435), (5, 3977061), (11, 1807755), (15, 1325687), (19, 1046595), (33, 602585), (55, 361551), (57, 348865), (95, 209319), (165, 120517), (209, 95145), (285, 69773), (627, 31715), (1045, 19029), (3135, 6343)]