19628235

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 39087360

約数和(自身を除く): 19459125

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 2087, 3135, 6261, 9405, 10435, 18783, 22957, 31305, 39653, 68871, 93915, 114785, 118959, 198265, 206613, 344355, 356877, 436183, 594795, 1033065, 1308549, 1784385, 2180915, 3925647, 6542745, 19628235]

約数ペア:

[(1, 19628235), (3, 6542745), (5, 3925647), (9, 2180915), (11, 1784385), (15, 1308549), (19, 1033065), (33, 594795), (45, 436183), (55, 356877), (57, 344355), (95, 206613), (99, 198265), (165, 118959), (171, 114785), (209, 93915), (285, 68871), (495, 39653), (627, 31305), (855, 22957), (1045, 18783), (1881, 10435), (2087, 9405), (3135, 6261)]