19445040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 66156480

約数和(自身を除く): 46711440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 239, 240, 339, 360, 452, 478, 565, 678, 717, 720, 904, 956, 1017, 1130, 1195, 1356, 1434, 1695, 1808, 1912, 2034, 2151, 2260, 2390, 2712, 2868, 3390, 3585, 3824, 4068, 4302, 4520, 4780, 5085, 5424, 5736, 6780, 7170, 8136, 8604, 9040, 9560, 10170, 10755, 11472, 13560, 14340, 16272, 17208, 19120, 20340, 21510, 27007, 27120, 28680, 34416, 40680, 43020, 54014, 57360, 81021, 81360, 86040, 108028, 135035, 162042, 172080, 216056, 243063, 270070, 324084, 405105, 432112, 486126, 540140, 648168, 810210, 972252, 1080280, 1215315, 1296336, 1620420, 1944504, 2160560, 2430630, 3240840, 3889008, 4861260, 6481680, 9722520, 19445040]

約数ペア:

[(1, 19445040), (2, 9722520), (3, 6481680), (4, 4861260), (5, 3889008), (6, 3240840), (8, 2430630), (9, 2160560), (10, 1944504), (12, 1620420), (15, 1296336), (16, 1215315), (18, 1080280), (20, 972252), (24, 810210), (30, 648168), (36, 540140), (40, 486126), (45, 432112), (48, 405105), (60, 324084), (72, 270070), (80, 243063), (90, 216056), (113, 172080), (120, 162042), (144, 135035), (180, 108028), (226, 86040), (239, 81360), (240, 81021), (339, 57360), (360, 54014), (452, 43020), (478, 40680), (565, 34416), (678, 28680), (717, 27120), (720, 27007), (904, 21510), (956, 20340), (1017, 19120), (1130, 17208), (1195, 16272), (1356, 14340), (1434, 13560), (1695, 11472), (1808, 10755), (1912, 10170), (2034, 9560), (2151, 9040), (2260, 8604), (2390, 8136), (2712, 7170), (2868, 6780), (3390, 5736), (3585, 5424), (3824, 5085), (4068, 4780), (4302, 4520)]