19788894476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{41953}}^1$

素因数の和:42210

約数の個数: 48

約数和(自身を含む): 38286213504

約数和(自身を除く): 18497319028

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 193, 386, 611, 772, 1222, 2444, 2509, 5018, 9071, 10036, 18142, 36284, 41953, 83906, 117923, 167812, 235846, 471692, 545389, 1090778, 1971791, 2181556, 3943582, 7887164, 8096929, 16193858, 25633283, 32387716, 51266566, 102533132, 105260077, 210520154, 380555663, 421040308, 761111326, 1522222652, 4947223619, 9894447238, 19788894476]

約数ペア:

[(1, 19788894476), (2, 9894447238), (4, 4947223619), (13, 1522222652), (26, 761111326), (47, 421040308), (52, 380555663), (94, 210520154), (188, 105260077), (193, 102533132), (386, 51266566), (611, 32387716), (772, 25633283), (1222, 16193858), (2444, 8096929), (2509, 7887164), (5018, 3943582), (9071, 2181556), (10036, 1971791), (18142, 1090778), (36284, 545389), (41953, 471692), (83906, 235846), (117923, 167812)]