18119673

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 33467040

約数和(自身を除く): 15347367

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 99, 117, 143, 169, 171, 209, 247, 297, 351, 361, 429, 507, 513, 627, 741, 1083, 1287, 1521, 1859, 1881, 2223, 2717, 3211, 3249, 3861, 3971, 4563, 4693, 5577, 5643, 6669, 8151, 9633, 9747, 11913, 14079, 16731, 24453, 28899, 35321, 35739, 42237, 50193, 51623, 61009, 73359, 86697, 105963, 107217, 126711, 154869, 183027, 317889, 464607, 549081, 671099, 953667, 1393821, 1647243, 2013297, 6039891, 18119673]

約数ペア:

[(1, 18119673), (3, 6039891), (9, 2013297), (11, 1647243), (13, 1393821), (19, 953667), (27, 671099), (33, 549081), (39, 464607), (57, 317889), (99, 183027), (117, 154869), (143, 126711), (169, 107217), (171, 105963), (209, 86697), (247, 73359), (297, 61009), (351, 51623), (361, 50193), (429, 42237), (507, 35739), (513, 35321), (627, 28899), (741, 24453), (1083, 16731), (1287, 14079), (1521, 11913), (1859, 9747), (1881, 9633), (2223, 8151), (2717, 6669), (3211, 5643), (3249, 5577), (3861, 4693), (3971, 4563)]