18981732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20543}}^1$

素因数の和:20568

約数の個数: 48

約数和(自身を含む): 55222272

約数和(自身を除く): 36240540

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20543, 41086, 61629, 82172, 123258, 143801, 225973, 246516, 287602, 431403, 451946, 575204, 677919, 862806, 903892, 1355838, 1581811, 1725612, 2711676, 3163622, 4745433, 6327244, 9490866, 18981732]

約数ペア:

[(1, 18981732), (2, 9490866), (3, 6327244), (4, 4745433), (6, 3163622), (7, 2711676), (11, 1725612), (12, 1581811), (14, 1355838), (21, 903892), (22, 862806), (28, 677919), (33, 575204), (42, 451946), (44, 431403), (66, 287602), (77, 246516), (84, 225973), (132, 143801), (154, 123258), (231, 82172), (308, 61629), (462, 41086), (924, 20543)]