18238077

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 31868928

約数和(自身を除く): 13630851

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 383, 407, 429, 481, 1149, 1221, 1287, 1443, 3447, 3663, 4213, 4329, 4979, 5291, 12639, 14171, 14937, 15873, 37917, 42513, 44811, 47619, 54769, 127539, 155881, 164307, 184223, 467643, 492921, 552669, 1402929, 1658007, 2026453, 6079359, 18238077]

約数ペア:

[(1, 18238077), (3, 6079359), (9, 2026453), (11, 1658007), (13, 1402929), (33, 552669), (37, 492921), (39, 467643), (99, 184223), (111, 164307), (117, 155881), (143, 127539), (333, 54769), (383, 47619), (407, 44811), (429, 42513), (481, 37917), (1149, 15873), (1221, 14937), (1287, 14171), (1443, 12639), (3447, 5291), (3663, 4979), (4213, 4329)]