19954294

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 35366400

約数和(自身を除く): 15412106

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 79, 158, 289, 323, 391, 437, 578, 646, 782, 874, 1343, 1501, 1817, 2686, 3002, 3634, 5491, 6647, 7429, 10982, 13294, 14858, 22831, 25517, 30889, 34523, 45662, 51034, 61778, 69046, 126293, 252586, 433789, 525113, 586891, 867578, 1050226, 1173782, 9977147, 19954294]

約数ペア:

[(1, 19954294), (2, 9977147), (17, 1173782), (19, 1050226), (23, 867578), (34, 586891), (38, 525113), (46, 433789), (79, 252586), (158, 126293), (289, 69046), (323, 61778), (391, 51034), (437, 45662), (578, 34523), (646, 30889), (782, 25517), (874, 22831), (1343, 14858), (1501, 13294), (1817, 10982), (2686, 7429), (3002, 6647), (3634, 5491)]