19549080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 128

約数和(自身を含む): 68083200

約数和(自身を除く): 48534120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 787, 828, 920, 1035, 1080, 1242, 1380, 1574, 1656, 2070, 2361, 2484, 2760, 3105, 3148, 3935, 4140, 4722, 4968, 6210, 6296, 7083, 7870, 8280, 9444, 11805, 12420, 14166, 15740, 18101, 18888, 21249, 23610, 24840, 28332, 31480, 35415, 36202, 42498, 47220, 54303, 56664, 70830, 72404, 84996, 90505, 94440, 106245, 108606, 141660, 144808, 162909, 169992, 181010, 212490, 217212, 271515, 283320, 325818, 362020, 424980, 434424, 488727, 543030, 651636, 724040, 814545, 849960, 977454, 1086060, 1303272, 1629090, 1954908, 2172120, 2443635, 3258180, 3909816, 4887270, 6516360, 9774540, 19549080]

約数ペア:

[(1, 19549080), (2, 9774540), (3, 6516360), (4, 4887270), (5, 3909816), (6, 3258180), (8, 2443635), (9, 2172120), (10, 1954908), (12, 1629090), (15, 1303272), (18, 1086060), (20, 977454), (23, 849960), (24, 814545), (27, 724040), (30, 651636), (36, 543030), (40, 488727), (45, 434424), (46, 424980), (54, 362020), (60, 325818), (69, 283320), (72, 271515), (90, 217212), (92, 212490), (108, 181010), (115, 169992), (120, 162909), (135, 144808), (138, 141660), (180, 108606), (184, 106245), (207, 94440), (216, 90505), (230, 84996), (270, 72404), (276, 70830), (345, 56664), (360, 54303), (414, 47220), (460, 42498), (540, 36202), (552, 35415), (621, 31480), (690, 28332), (787, 24840), (828, 23610), (920, 21249), (1035, 18888), (1080, 18101), (1242, 15740), (1380, 14166), (1574, 12420), (1656, 11805), (2070, 9444), (2361, 8280), (2484, 7870), (2760, 7083), (3105, 6296), (3148, 6210), (3935, 4968), (4140, 4722)]