18837702

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 72

約数和(自身を含む): 46597824

約数和(自身を除く): 27760122

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 223, 234, 247, 342, 361, 446, 494, 669, 722, 741, 1083, 1338, 1482, 2007, 2166, 2223, 2899, 3249, 4014, 4237, 4446, 4693, 5798, 6498, 8474, 8697, 9386, 12711, 14079, 17394, 25422, 26091, 28158, 38133, 42237, 52182, 55081, 76266, 80503, 84474, 110162, 161006, 165243, 241509, 330486, 483018, 495729, 724527, 991458, 1046539, 1449054, 2093078, 3139617, 6279234, 9418851, 18837702]

約数ペア:

[(1, 18837702), (2, 9418851), (3, 6279234), (6, 3139617), (9, 2093078), (13, 1449054), (18, 1046539), (19, 991458), (26, 724527), (38, 495729), (39, 483018), (57, 330486), (78, 241509), (114, 165243), (117, 161006), (171, 110162), (223, 84474), (234, 80503), (247, 76266), (342, 55081), (361, 52182), (446, 42237), (494, 38133), (669, 28158), (722, 26091), (741, 25422), (1083, 17394), (1338, 14079), (1482, 12711), (2007, 9386), (2166, 8697), (2223, 8474), (2899, 6498), (3249, 5798), (4014, 4693), (4237, 4446)]