20180365785

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{39937}}^1$

素因数の和:40167

約数の個数: 64

約数和(自身を含む): 37957075200

約数和(自身を除く): 17776709415

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 197, 285, 513, 591, 855, 985, 1773, 2565, 2955, 3743, 5319, 8865, 11229, 18715, 26595, 33687, 39937, 56145, 101061, 119811, 168435, 199685, 359433, 505305, 599055, 758803, 1078299, 1797165, 2276409, 3794015, 5391495, 6829227, 7867589, 11382045, 20487681, 23602767, 34146135, 39337945, 70808301, 102438405, 118013835, 149484191, 212424903, 354041505, 448452573, 747420955, 1062124515, 1345357719, 2242262865, 4036073157, 6726788595, 20180365785]

約数ペア:

[(1, 20180365785), (3, 6726788595), (5, 4036073157), (9, 2242262865), (15, 1345357719), (19, 1062124515), (27, 747420955), (45, 448452573), (57, 354041505), (95, 212424903), (135, 149484191), (171, 118013835), (197, 102438405), (285, 70808301), (513, 39337945), (591, 34146135), (855, 23602767), (985, 20487681), (1773, 11382045), (2565, 7867589), (2955, 6829227), (3743, 5391495), (5319, 3794015), (8865, 2276409), (11229, 1797165), (18715, 1078299), (26595, 758803), (33687, 599055), (39937, 505305), (56145, 359433), (101061, 199685), (119811, 168435)]