18865782

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2237

約数の個数: 48

約数和(自身を含む): 45230640

約数和(自身を除く): 26364858

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2179, 2886, 4329, 4358, 6537, 8658, 13074, 19611, 28327, 39222, 56654, 80623, 84981, 161246, 169962, 241869, 254943, 483738, 509886, 725607, 1048099, 1451214, 2096198, 3144297, 6288594, 9432891, 18865782]

約数ペア:

[(1, 18865782), (2, 9432891), (3, 6288594), (6, 3144297), (9, 2096198), (13, 1451214), (18, 1048099), (26, 725607), (37, 509886), (39, 483738), (74, 254943), (78, 241869), (111, 169962), (117, 161246), (222, 84981), (234, 80623), (333, 56654), (481, 39222), (666, 28327), (962, 19611), (1443, 13074), (2179, 8658), (2886, 6537), (4329, 4358)]