18668320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10607}}^1$

素因数の和:10633

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 29449568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10607, 21214, 42428, 53035, 84856, 106070, 116677, 169712, 212140, 233354, 339424, 424280, 466708, 583385, 848560, 933416, 1166770, 1697120, 1866832, 2333540, 3733664, 4667080, 9334160, 18668320]

約数ペア:

[(1, 18668320), (2, 9334160), (4, 4667080), (5, 3733664), (8, 2333540), (10, 1866832), (11, 1697120), (16, 1166770), (20, 933416), (22, 848560), (32, 583385), (40, 466708), (44, 424280), (55, 339424), (80, 233354), (88, 212140), (110, 169712), (160, 116677), (176, 106070), (220, 84856), (352, 53035), (440, 42428), (880, 21214), (1760, 10607)]