19908072

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 39189528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 47, 53, 54, 72, 74, 94, 106, 108, 111, 141, 148, 159, 188, 212, 216, 222, 282, 296, 318, 333, 376, 423, 424, 444, 477, 564, 636, 666, 846, 888, 954, 999, 1128, 1269, 1272, 1332, 1431, 1692, 1739, 1908, 1961, 1998, 2491, 2538, 2664, 2862, 3384, 3478, 3816, 3922, 3996, 4982, 5076, 5217, 5724, 5883, 6956, 7473, 7844, 7992, 9964, 10152, 10434, 11448, 11766, 13912, 14946, 15651, 15688, 17649, 19928, 20868, 22419, 23532, 29892, 31302, 35298, 41736, 44838, 46953, 47064, 52947, 59784, 62604, 67257, 70596, 89676, 92167, 93906, 105894, 125208, 134514, 141192, 179352, 184334, 187812, 211788, 269028, 276501, 368668, 375624, 423576, 538056, 553002, 737336, 829503, 1106004, 1659006, 2212008, 2488509, 3318012, 4977018, 6636024, 9954036, 19908072]

約数ペア:

[(1, 19908072), (2, 9954036), (3, 6636024), (4, 4977018), (6, 3318012), (8, 2488509), (9, 2212008), (12, 1659006), (18, 1106004), (24, 829503), (27, 737336), (36, 553002), (37, 538056), (47, 423576), (53, 375624), (54, 368668), (72, 276501), (74, 269028), (94, 211788), (106, 187812), (108, 184334), (111, 179352), (141, 141192), (148, 134514), (159, 125208), (188, 105894), (212, 93906), (216, 92167), (222, 89676), (282, 70596), (296, 67257), (318, 62604), (333, 59784), (376, 52947), (423, 47064), (424, 46953), (444, 44838), (477, 41736), (564, 35298), (636, 31302), (666, 29892), (846, 23532), (888, 22419), (954, 20868), (999, 19928), (1128, 17649), (1269, 15688), (1272, 15651), (1332, 14946), (1431, 13912), (1692, 11766), (1739, 11448), (1908, 10434), (1961, 10152), (1998, 9964), (2491, 7992), (2538, 7844), (2664, 7473), (2862, 6956), (3384, 5883), (3478, 5724), (3816, 5217), (3922, 5076), (3996, 4982)]