18508735648

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1$

素因数の和:1218

約数の個数: 96

約数和(自身を含む): 39621817872

約数和(自身を除く): 21113082224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 181, 208, 362, 401, 416, 613, 724, 802, 1226, 1448, 1604, 2353, 2452, 2896, 3208, 4706, 4904, 5213, 5792, 6416, 7969, 9412, 9808, 10426, 12832, 15938, 18824, 19616, 20852, 31876, 37648, 41704, 63752, 72581, 75296, 83408, 110953, 127504, 145162, 166816, 221906, 245813, 255008, 290324, 443812, 491626, 580648, 887624, 943553, 983252, 1161296, 1442389, 1775248, 1887106, 1966504, 2322592, 2884778, 3195569, 3550496, 3774212, 3933008, 5769556, 6391138, 7548424, 7866016, 11539112, 12782276, 15096848, 23078224, 25564552, 30193696, 44492153, 46156448, 51129104, 88984306, 102258208, 177968612, 355937224, 578397989, 711874448, 1156795978, 1423748896, 2313591956, 4627183912, 9254367824, 18508735648]

約数ペア:

[(1, 18508735648), (2, 9254367824), (4, 4627183912), (8, 2313591956), (13, 1423748896), (16, 1156795978), (26, 711874448), (32, 578397989), (52, 355937224), (104, 177968612), (181, 102258208), (208, 88984306), (362, 51129104), (401, 46156448), (416, 44492153), (613, 30193696), (724, 25564552), (802, 23078224), (1226, 15096848), (1448, 12782276), (1604, 11539112), (2353, 7866016), (2452, 7548424), (2896, 6391138), (3208, 5769556), (4706, 3933008), (4904, 3774212), (5213, 3550496), (5792, 3195569), (6416, 2884778), (7969, 2322592), (9412, 1966504), (9808, 1887106), (10426, 1775248), (12832, 1442389), (15938, 1161296), (18824, 983252), (19616, 943553), (20852, 887624), (31876, 580648), (37648, 491626), (41704, 443812), (63752, 290324), (72581, 255008), (75296, 245813), (83408, 221906), (110953, 166816), (127504, 145162)]