19015964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37933056

約数和(自身を除く): 18917092

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 83, 127, 164, 166, 254, 332, 451, 508, 902, 913, 1397, 1804, 1826, 2794, 3403, 3652, 5207, 5588, 6806, 10414, 10541, 13612, 20828, 21082, 37433, 42164, 57277, 74866, 114554, 115951, 149732, 229108, 231902, 432181, 463804, 864362, 1728724, 4753991, 9507982, 19015964]

約数ペア:

[(1, 19015964), (2, 9507982), (4, 4753991), (11, 1728724), (22, 864362), (41, 463804), (44, 432181), (82, 231902), (83, 229108), (127, 149732), (164, 115951), (166, 114554), (254, 74866), (332, 57277), (451, 42164), (508, 37433), (902, 21082), (913, 20828), (1397, 13612), (1804, 10541), (1826, 10414), (2794, 6806), (3403, 5588), (3652, 5207)]