19998482368

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{523}}^1\times {\mathrm{11273}}^1$

素因数の和:11861

約数の個数: 56

約数和(自身を含む): 40514156208

約数和(自身を除く): 20515673840

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 212, 424, 523, 848, 1046, 1696, 2092, 3392, 4184, 8368, 11273, 16736, 22546, 27719, 33472, 45092, 55438, 90184, 110876, 180368, 221752, 360736, 443504, 597469, 721472, 887008, 1194938, 1774016, 2389876, 4779752, 5895779, 9559504, 11791558, 19119008, 23583116, 38238016, 47166232, 94332464, 188664928, 312476287, 377329856, 624952574, 1249905148, 2499810296, 4999620592, 9999241184, 19998482368]

約数ペア:

[(1, 19998482368), (2, 9999241184), (4, 4999620592), (8, 2499810296), (16, 1249905148), (32, 624952574), (53, 377329856), (64, 312476287), (106, 188664928), (212, 94332464), (424, 47166232), (523, 38238016), (848, 23583116), (1046, 19119008), (1696, 11791558), (2092, 9559504), (3392, 5895779), (4184, 4779752), (8368, 2389876), (11273, 1774016), (16736, 1194938), (22546, 887008), (27719, 721472), (33472, 597469), (45092, 443504), (55438, 360736), (90184, 221752), (110876, 180368)]