19725705

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23071}}^1$

素因数の和:23101

約数の個数: 24

約数和(自身を含む): 35992320

約数和(自身を除く): 16266615

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23071, 69213, 115355, 207639, 346065, 438349, 1038195, 1315047, 2191745, 3945141, 6575235, 19725705]

約数ペア:

[(1, 19725705), (3, 6575235), (5, 3945141), (9, 2191745), (15, 1315047), (19, 1038195), (45, 438349), (57, 346065), (95, 207639), (171, 115355), (285, 69213), (855, 23071)]