19914903944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1\times {\mathrm{1663}}^1$

素因数の和:2814

約数の個数: 64

約数和(自身を含む): 40632883200

約数和(自身を除く): 20717979256

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1019, 1469, 1663, 2038, 2938, 3326, 4076, 5876, 6652, 8152, 11752, 13247, 13304, 21619, 26494, 43238, 52988, 86476, 105976, 115147, 172952, 187919, 230294, 375838, 460588, 751676, 921176, 1496911, 1503352, 1694597, 2442947, 2993822, 3389194, 4885894, 5987644, 6778388, 9771788, 11975288, 13556776, 19543576, 22029761, 44059522, 88119044, 176238088, 191489461, 382978922, 765957844, 1531915688, 2489362993, 4978725986, 9957451972, 19914903944]

約数ペア:

[(1, 19914903944), (2, 9957451972), (4, 4978725986), (8, 2489362993), (13, 1531915688), (26, 765957844), (52, 382978922), (104, 191489461), (113, 176238088), (226, 88119044), (452, 44059522), (904, 22029761), (1019, 19543576), (1469, 13556776), (1663, 11975288), (2038, 9771788), (2938, 6778388), (3326, 5987644), (4076, 4885894), (5876, 3389194), (6652, 2993822), (8152, 2442947), (11752, 1694597), (13247, 1503352), (13304, 1496911), (21619, 921176), (26494, 751676), (43238, 460588), (52988, 375838), (86476, 230294), (105976, 187919), (115147, 172952)]