19366473

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 11341239

約数列:

[1, 3, 7, 21, 41, 83, 123, 249, 271, 287, 581, 813, 861, 1743, 1897, 3403, 5691, 10209, 11111, 22493, 23821, 33333, 67479, 71463, 77777, 157451, 233331, 472353, 922213, 2766639, 6455491, 19366473]

約数ペア:

[(1, 19366473), (3, 6455491), (7, 2766639), (21, 922213), (41, 472353), (83, 233331), (123, 157451), (249, 77777), (271, 71463), (287, 67479), (581, 33333), (813, 23821), (861, 22493), (1743, 11111), (1897, 10209), (3403, 5691)]