19800272

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 40101600

約数和(自身を除く): 20301328

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 139, 232, 278, 307, 464, 556, 614, 1112, 1228, 2224, 2456, 4031, 4912, 8062, 8903, 16124, 17806, 32248, 35612, 42673, 64496, 71224, 85346, 142448, 170692, 341384, 682768, 1237517, 2475034, 4950068, 9900136, 19800272]

約数ペア:

[(1, 19800272), (2, 9900136), (4, 4950068), (8, 2475034), (16, 1237517), (29, 682768), (58, 341384), (116, 170692), (139, 142448), (232, 85346), (278, 71224), (307, 64496), (464, 42673), (556, 35612), (614, 32248), (1112, 17806), (1228, 16124), (2224, 8903), (2456, 8062), (4031, 4912)]