19637670208

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{16657}}^1$

素因数の和:16804

約数の個数: 84

約数和(自身を含む): 42586343580

約数和(自身を除く): 22948673372

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 169, 208, 218, 338, 416, 436, 676, 832, 872, 1352, 1417, 1744, 2704, 2834, 3488, 5408, 5668, 6976, 10816, 11336, 16657, 18421, 22672, 33314, 36842, 45344, 66628, 73684, 90688, 133256, 147368, 216541, 266512, 294736, 433082, 533024, 589472, 866164, 1066048, 1178944, 1732328, 1815613, 2815033, 3464656, 3631226, 5630066, 6929312, 7262452, 11260132, 13858624, 14524904, 22520264, 23602969, 29049808, 45040528, 47205938, 58099616, 90081056, 94411876, 116199232, 180162112, 188823752, 306838597, 377647504, 613677194, 755295008, 1227354388, 1510590016, 2454708776, 4909417552, 9818835104, 19637670208]

約数ペア:

[(1, 19637670208), (2, 9818835104), (4, 4909417552), (8, 2454708776), (13, 1510590016), (16, 1227354388), (26, 755295008), (32, 613677194), (52, 377647504), (64, 306838597), (104, 188823752), (109, 180162112), (169, 116199232), (208, 94411876), (218, 90081056), (338, 58099616), (416, 47205938), (436, 45040528), (676, 29049808), (832, 23602969), (872, 22520264), (1352, 14524904), (1417, 13858624), (1744, 11260132), (2704, 7262452), (2834, 6929312), (3488, 5630066), (5408, 3631226), (5668, 3464656), (6976, 2815033), (10816, 1815613), (11336, 1732328), (16657, 1178944), (18421, 1066048), (22672, 866164), (33314, 589472), (36842, 533024), (45344, 433082), (66628, 294736), (73684, 266512), (90688, 216541), (133256, 147368)]