2011568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 4426800

約数和(自身を除く): 2415232

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 509, 988, 1018, 1976, 2036, 3952, 4072, 6617, 8144, 9671, 13234, 19342, 26468, 38684, 52936, 77368, 105872, 125723, 154736, 251446, 502892, 1005784, 2011568]

約数ペア:

[(1, 2011568), (2, 1005784), (4, 502892), (8, 251446), (13, 154736), (16, 125723), (19, 105872), (26, 77368), (38, 52936), (52, 38684), (76, 26468), (104, 19342), (152, 13234), (208, 9671), (247, 8144), (304, 6617), (494, 4072), (509, 3952), (988, 2036), (1018, 1976)]