18744118519

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{1931}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 23723352576

約数和(自身を除く): 4979234057

約数列:

[1, 7, 17, 43, 49, 119, 271, 301, 731, 833, 1897, 1931, 2107, 4607, 5117, 11653, 13279, 13517, 32249, 32827, 35819, 81571, 83033, 94619, 198101, 225743, 229789, 523301, 570997, 581231, 1386707, 1411561, 1608523, 3663107, 4068617, 8896117, 9706949, 9880927, 22501943, 25641749, 62272819, 69166489, 157513601, 382533031, 435909733, 1102595207, 2677731217, 18744118519]

約数ペア:

[(1, 18744118519), (7, 2677731217), (17, 1102595207), (43, 435909733), (49, 382533031), (119, 157513601), (271, 69166489), (301, 62272819), (731, 25641749), (833, 22501943), (1897, 9880927), (1931, 9706949), (2107, 8896117), (4607, 4068617), (5117, 3663107), (11653, 1608523), (13279, 1411561), (13517, 1386707), (32249, 581231), (32827, 570997), (35819, 523301), (81571, 229789), (83033, 225743), (94619, 198101)]