18748344

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 49357440

約数和(自身を除く): 30609096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 296, 344, 444, 491, 516, 888, 982, 1032, 1473, 1591, 1964, 2946, 3182, 3928, 4773, 5892, 6364, 9546, 11784, 12728, 18167, 19092, 21113, 36334, 38184, 42226, 54501, 63339, 72668, 84452, 109002, 126678, 145336, 168904, 218004, 253356, 436008, 506712, 781181, 1562362, 2343543, 3124724, 4687086, 6249448, 9374172, 18748344]

約数ペア:

[(1, 18748344), (2, 9374172), (3, 6249448), (4, 4687086), (6, 3124724), (8, 2343543), (12, 1562362), (24, 781181), (37, 506712), (43, 436008), (74, 253356), (86, 218004), (111, 168904), (129, 145336), (148, 126678), (172, 109002), (222, 84452), (258, 72668), (296, 63339), (344, 54501), (444, 42226), (491, 38184), (516, 36334), (888, 21113), (982, 19092), (1032, 18167), (1473, 12728), (1591, 11784), (1964, 9546), (2946, 6364), (3182, 5892), (3928, 4773)]