20123781372

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9806911}}^1$

素因数の和:9806943

約数の個数: 48

約数和(自身を含む): 54918707200

約数和(自身を除く): 34794925828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9806911, 19613822, 29420733, 39227644, 58841466, 88262199, 117682932, 176524398, 186331309, 264786597, 353048796, 372662618, 529573194, 558993927, 745325236, 1059146388, 1117987854, 1676981781, 2235975708, 3353963562, 5030945343, 6707927124, 10061890686, 20123781372]

約数ペア:

[(1, 20123781372), (2, 10061890686), (3, 6707927124), (4, 5030945343), (6, 3353963562), (9, 2235975708), (12, 1676981781), (18, 1117987854), (19, 1059146388), (27, 745325236), (36, 558993927), (38, 529573194), (54, 372662618), (57, 353048796), (76, 264786597), (108, 186331309), (114, 176524398), (171, 117682932), (228, 88262199), (342, 58841466), (513, 39227644), (684, 29420733), (1026, 19613822), (2052, 9806911)]