18522693

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 32078592

約数和(自身を除く): 13555899

約数列:

[1, 3, 7, 9, 21, 41, 63, 71, 101, 123, 213, 287, 303, 369, 497, 639, 707, 861, 909, 1491, 2121, 2583, 2911, 4141, 4473, 6363, 7171, 8733, 12423, 20377, 21513, 26199, 28987, 37269, 50197, 61131, 64539, 86961, 150591, 183393, 260883, 294011, 451773, 882033, 2058077, 2646099, 6174231, 18522693]

約数ペア:

[(1, 18522693), (3, 6174231), (7, 2646099), (9, 2058077), (21, 882033), (41, 451773), (63, 294011), (71, 260883), (101, 183393), (123, 150591), (213, 86961), (287, 64539), (303, 61131), (369, 50197), (497, 37269), (639, 28987), (707, 26199), (861, 21513), (909, 20377), (1491, 12423), (2121, 8733), (2583, 7171), (2911, 6363), (4141, 4473)]