17639752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 38304000

約数和(自身を除く): 20664248

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 79, 104, 113, 152, 158, 226, 247, 316, 452, 494, 632, 904, 988, 1027, 1469, 1501, 1976, 2054, 2147, 2938, 3002, 4108, 4294, 5876, 6004, 8216, 8588, 8927, 11752, 12008, 17176, 17854, 19513, 27911, 35708, 39026, 55822, 71416, 78052, 111644, 116051, 156104, 169613, 223288, 232102, 339226, 464204, 678452, 928408, 1356904, 2204969, 4409938, 8819876, 17639752]

約数ペア:

[(1, 17639752), (2, 8819876), (4, 4409938), (8, 2204969), (13, 1356904), (19, 928408), (26, 678452), (38, 464204), (52, 339226), (76, 232102), (79, 223288), (104, 169613), (113, 156104), (152, 116051), (158, 111644), (226, 78052), (247, 71416), (316, 55822), (452, 39026), (494, 35708), (632, 27911), (904, 19513), (988, 17854), (1027, 17176), (1469, 12008), (1501, 11752), (1976, 8927), (2054, 8588), (2147, 8216), (2938, 6004), (3002, 5876), (4108, 4294)]