19359880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 45527040

約数和(自身を除く): 26167160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 103, 127, 148, 185, 206, 254, 296, 370, 412, 508, 515, 635, 740, 824, 1016, 1030, 1270, 1480, 2060, 2540, 3811, 4120, 4699, 5080, 7622, 9398, 13081, 15244, 18796, 19055, 23495, 26162, 30488, 37592, 38110, 46990, 52324, 65405, 76220, 93980, 104648, 130810, 152440, 187960, 261620, 483997, 523240, 967994, 1935988, 2419985, 3871976, 4839970, 9679940, 19359880]

約数ペア:

[(1, 19359880), (2, 9679940), (4, 4839970), (5, 3871976), (8, 2419985), (10, 1935988), (20, 967994), (37, 523240), (40, 483997), (74, 261620), (103, 187960), (127, 152440), (148, 130810), (185, 104648), (206, 93980), (254, 76220), (296, 65405), (370, 52324), (412, 46990), (508, 38110), (515, 37592), (635, 30488), (740, 26162), (824, 23495), (1016, 19055), (1030, 18796), (1270, 15244), (1480, 13081), (2060, 9398), (2540, 7622), (3811, 5080), (4120, 4699)]