18125886

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 41287680

約数和(自身を除く): 23161794

約数列:

[1, 2, 3, 6, 19, 23, 31, 38, 46, 57, 62, 69, 93, 114, 138, 186, 223, 437, 446, 589, 669, 713, 874, 1178, 1311, 1338, 1426, 1767, 2139, 2622, 3534, 4237, 4278, 5129, 6913, 8474, 10258, 12711, 13547, 13826, 15387, 20739, 25422, 27094, 30774, 40641, 41478, 81282, 97451, 131347, 158999, 194902, 262694, 292353, 317998, 394041, 476997, 584706, 788082, 953994, 3020981, 6041962, 9062943, 18125886]

約数ペア:

[(1, 18125886), (2, 9062943), (3, 6041962), (6, 3020981), (19, 953994), (23, 788082), (31, 584706), (38, 476997), (46, 394041), (57, 317998), (62, 292353), (69, 262694), (93, 194902), (114, 158999), (138, 131347), (186, 97451), (223, 81282), (437, 41478), (446, 40641), (589, 30774), (669, 27094), (713, 25422), (874, 20739), (1178, 15387), (1311, 13826), (1338, 13547), (1426, 12711), (1767, 10258), (2139, 8474), (2622, 6913), (3534, 5129), (4237, 4278)]