18765208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 26231912

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 82, 88, 154, 164, 287, 308, 328, 451, 574, 616, 743, 902, 1148, 1486, 1804, 2296, 2972, 3157, 3608, 5201, 5944, 6314, 8173, 10402, 12628, 16346, 20804, 25256, 30463, 32692, 41608, 57211, 60926, 65384, 114422, 121852, 213241, 228844, 243704, 335093, 426482, 457688, 670186, 852964, 1340372, 1705928, 2345651, 2680744, 4691302, 9382604, 18765208]

約数ペア:

[(1, 18765208), (2, 9382604), (4, 4691302), (7, 2680744), (8, 2345651), (11, 1705928), (14, 1340372), (22, 852964), (28, 670186), (41, 457688), (44, 426482), (56, 335093), (77, 243704), (82, 228844), (88, 213241), (154, 121852), (164, 114422), (287, 65384), (308, 60926), (328, 57211), (451, 41608), (574, 32692), (616, 30463), (743, 25256), (902, 20804), (1148, 16346), (1486, 12628), (1804, 10402), (2296, 8173), (2972, 6314), (3157, 5944), (3608, 5201)]