19919752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4519}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 40680000

約数和(自身を除く): 20760248

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4519, 9038, 18076, 36152, 85861, 131051, 171722, 262102, 343444, 524204, 686888, 1048408, 2489969, 4979938, 9959876, 19919752]

約数ペア:

[(1, 19919752), (2, 9959876), (4, 4979938), (8, 2489969), (19, 1048408), (29, 686888), (38, 524204), (58, 343444), (76, 262102), (116, 171722), (152, 131051), (232, 85861), (551, 36152), (1102, 18076), (2204, 9038), (4408, 4519)]