19939588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 18868412

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 83, 109, 116, 166, 218, 332, 436, 551, 1102, 1577, 2071, 2204, 2407, 3154, 3161, 4142, 4814, 6308, 6322, 8284, 9047, 9628, 12644, 18094, 36188, 45733, 60059, 91466, 120118, 171893, 182932, 240236, 262363, 343786, 524726, 687572, 1049452, 4984897, 9969794, 19939588]

約数ペア:

[(1, 19939588), (2, 9969794), (4, 4984897), (19, 1049452), (29, 687572), (38, 524726), (58, 343786), (76, 262363), (83, 240236), (109, 182932), (116, 171893), (166, 120118), (218, 91466), (332, 60059), (436, 45733), (551, 36188), (1102, 18094), (1577, 12644), (2071, 9628), (2204, 9047), (2407, 8284), (3154, 6322), (3161, 6308), (4142, 4814)]