1811854155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{42667}}^1$

素因数の和:42843

約数の個数: 32

約数和(自身を含む): 3072096000

約数和(自身を除く): 1260241845

約数列:

[1, 3, 5, 15, 19, 57, 95, 149, 285, 447, 745, 2235, 2831, 8493, 14155, 42465, 42667, 128001, 213335, 640005, 810673, 2432019, 4053365, 6357383, 12160095, 19072149, 31786915, 95360745, 120790277, 362370831, 603951385, 1811854155]

約数ペア:

[(1, 1811854155), (3, 603951385), (5, 362370831), (15, 120790277), (19, 95360745), (57, 31786915), (95, 19072149), (149, 12160095), (285, 6357383), (447, 4053365), (745, 2432019), (2235, 810673), (2831, 640005), (8493, 213335), (14155, 128001), (42465, 42667)]