17755328164

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{19949}}^1$

素因数の和:20225

約数の個数: 72

約数和(自身を含む): 38208240000

約数和(自身を除く): 20452911836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 239, 266, 478, 532, 931, 956, 1673, 1862, 3346, 3724, 4541, 6692, 9082, 11711, 18164, 19949, 23422, 31787, 39898, 46844, 63574, 79796, 127148, 139643, 222509, 279286, 379031, 445018, 558572, 758062, 890036, 977501, 1516124, 1955002, 2653217, 3910004, 4767811, 5306434, 9535622, 10612868, 18572519, 19071244, 33374677, 37145038, 66749354, 74290076, 90588409, 133498708, 181176818, 233622739, 362353636, 467245478, 634118863, 934490956, 1268237726, 2536475452, 4438832041, 8877664082, 17755328164]

約数ペア:

[(1, 17755328164), (2, 8877664082), (4, 4438832041), (7, 2536475452), (14, 1268237726), (19, 934490956), (28, 634118863), (38, 467245478), (49, 362353636), (76, 233622739), (98, 181176818), (133, 133498708), (196, 90588409), (239, 74290076), (266, 66749354), (478, 37145038), (532, 33374677), (931, 19071244), (956, 18572519), (1673, 10612868), (1862, 9535622), (3346, 5306434), (3724, 4767811), (4541, 3910004), (6692, 2653217), (9082, 1955002), (11711, 1516124), (18164, 977501), (19949, 890036), (23422, 758062), (31787, 558572), (39898, 445018), (46844, 379031), (63574, 279286), (79796, 222509), (127148, 139643)]