17798858

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 36388800

約数和(自身を除く): 18589942

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 79, 98, 121, 133, 154, 158, 209, 242, 266, 418, 539, 553, 847, 869, 931, 1078, 1106, 1463, 1501, 1694, 1738, 1862, 2299, 2926, 3002, 3871, 4598, 5929, 6083, 7742, 9559, 10241, 10507, 11858, 12166, 16093, 16511, 19118, 20482, 21014, 32186, 33022, 42581, 66913, 73549, 85162, 112651, 115577, 133826, 147098, 181621, 225302, 231154, 363242, 468391, 809039, 936782, 1271347, 1618078, 2542694, 8899429, 17798858]

約数ペア:

[(1, 17798858), (2, 8899429), (7, 2542694), (11, 1618078), (14, 1271347), (19, 936782), (22, 809039), (38, 468391), (49, 363242), (77, 231154), (79, 225302), (98, 181621), (121, 147098), (133, 133826), (154, 115577), (158, 112651), (209, 85162), (242, 73549), (266, 66913), (418, 42581), (539, 33022), (553, 32186), (847, 21014), (869, 20482), (931, 19118), (1078, 16511), (1106, 16093), (1463, 12166), (1501, 11858), (1694, 10507), (1738, 10241), (1862, 9559), (2299, 7742), (2926, 6083), (3002, 5929), (3871, 4598)]