19804158296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{361337}}^1$

素因数の和:361404

約数の個数: 64

約数和(自身を含む): 43707444480

約数和(自身を除く): 23903286184

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 527, 806, 884, 1054, 1612, 1768, 2108, 3224, 4216, 6851, 13702, 27404, 54808, 361337, 722674, 1445348, 2890696, 4697381, 6142729, 9394762, 11201447, 12285458, 18789524, 22402894, 24570916, 37579048, 44805788, 49141832, 79855477, 89611576, 145618811, 159710954, 190424599, 291237622, 319421908, 380849198, 582475244, 638843816, 761698396, 1164950488, 1523396792, 2475519787, 4951039574, 9902079148, 19804158296]

約数ペア:

[(1, 19804158296), (2, 9902079148), (4, 4951039574), (8, 2475519787), (13, 1523396792), (17, 1164950488), (26, 761698396), (31, 638843816), (34, 582475244), (52, 380849198), (62, 319421908), (68, 291237622), (104, 190424599), (124, 159710954), (136, 145618811), (221, 89611576), (248, 79855477), (403, 49141832), (442, 44805788), (527, 37579048), (806, 24570916), (884, 22402894), (1054, 18789524), (1612, 12285458), (1768, 11201447), (2108, 9394762), (3224, 6142729), (4216, 4697381), (6851, 2890696), (13702, 1445348), (27404, 722674), (54808, 361337)]