19246680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 46071720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 251, 270, 284, 355, 360, 426, 502, 540, 568, 639, 710, 753, 852, 1004, 1065, 1080, 1255, 1278, 1420, 1506, 1704, 1917, 2008, 2130, 2259, 2510, 2556, 2840, 3012, 3195, 3765, 3834, 4260, 4518, 5020, 5112, 6024, 6390, 6777, 7530, 7668, 8520, 9036, 9585, 10040, 11295, 12780, 13554, 15060, 15336, 17821, 18072, 19170, 22590, 25560, 27108, 30120, 33885, 35642, 38340, 45180, 53463, 54216, 67770, 71284, 76680, 89105, 90360, 106926, 135540, 142568, 160389, 178210, 213852, 267315, 271080, 320778, 356420, 427704, 481167, 534630, 641556, 712840, 801945, 962334, 1069260, 1283112, 1603890, 1924668, 2138520, 2405835, 3207780, 3849336, 4811670, 6415560, 9623340, 19246680]

約数ペア:

[(1, 19246680), (2, 9623340), (3, 6415560), (4, 4811670), (5, 3849336), (6, 3207780), (8, 2405835), (9, 2138520), (10, 1924668), (12, 1603890), (15, 1283112), (18, 1069260), (20, 962334), (24, 801945), (27, 712840), (30, 641556), (36, 534630), (40, 481167), (45, 427704), (54, 356420), (60, 320778), (71, 271080), (72, 267315), (90, 213852), (108, 178210), (120, 160389), (135, 142568), (142, 135540), (180, 106926), (213, 90360), (216, 89105), (251, 76680), (270, 71284), (284, 67770), (355, 54216), (360, 53463), (426, 45180), (502, 38340), (540, 35642), (568, 33885), (639, 30120), (710, 27108), (753, 25560), (852, 22590), (1004, 19170), (1065, 18072), (1080, 17821), (1255, 15336), (1278, 15060), (1420, 13554), (1506, 12780), (1704, 11295), (1917, 10040), (2008, 9585), (2130, 9036), (2259, 8520), (2510, 7668), (2556, 7530), (2840, 6777), (3012, 6390), (3195, 6024), (3765, 5112), (3834, 5020), (4260, 4518)]