18973482

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 25816278

約数列:

[1, 2, 3, 6, 11, 22, 23, 29, 33, 46, 58, 66, 69, 87, 138, 174, 253, 319, 431, 506, 638, 667, 759, 862, 957, 1293, 1334, 1518, 1914, 2001, 2586, 4002, 4741, 7337, 9482, 9913, 12499, 14223, 14674, 19826, 22011, 24998, 28446, 29739, 37497, 44022, 59478, 74994, 109043, 137489, 218086, 274978, 287477, 327129, 412467, 574954, 654258, 824934, 862431, 1724862, 3162247, 6324494, 9486741, 18973482]

約数ペア:

[(1, 18973482), (2, 9486741), (3, 6324494), (6, 3162247), (11, 1724862), (22, 862431), (23, 824934), (29, 654258), (33, 574954), (46, 412467), (58, 327129), (66, 287477), (69, 274978), (87, 218086), (138, 137489), (174, 109043), (253, 74994), (319, 59478), (431, 44022), (506, 37497), (638, 29739), (667, 28446), (759, 24998), (862, 22011), (957, 19826), (1293, 14674), (1334, 14223), (1518, 12499), (1914, 9913), (2001, 9482), (2586, 7337), (4002, 4741)]