18468164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 20057596

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 83, 143, 166, 286, 332, 389, 572, 778, 913, 1079, 1556, 1826, 2158, 3652, 4279, 4316, 5057, 8558, 10114, 11869, 17116, 20228, 23738, 32287, 47476, 55627, 64574, 111254, 129148, 222508, 355157, 419731, 710314, 839462, 1420628, 1678924, 4617041, 9234082, 18468164]

約数ペア:

[(1, 18468164), (2, 9234082), (4, 4617041), (11, 1678924), (13, 1420628), (22, 839462), (26, 710314), (44, 419731), (52, 355157), (83, 222508), (143, 129148), (166, 111254), (286, 64574), (332, 55627), (389, 47476), (572, 32287), (778, 23738), (913, 20228), (1079, 17116), (1556, 11869), (1826, 10114), (2158, 8558), (3652, 5057), (4279, 4316)]