19342960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2690

約数の個数: 80

約数和(自身を含む): 55371456

約数和(自身を除く): 36028496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2657, 3640, 5314, 7280, 10628, 13285, 18599, 21256, 26570, 34541, 37198, 42512, 53140, 69082, 74396, 92995, 106280, 138164, 148792, 172705, 185990, 212560, 241787, 276328, 297584, 345410, 371980, 483574, 552656, 690820, 743960, 967148, 1208935, 1381640, 1487920, 1934296, 2417870, 2763280, 3868592, 4835740, 9671480, 19342960]

約数ペア:

[(1, 19342960), (2, 9671480), (4, 4835740), (5, 3868592), (7, 2763280), (8, 2417870), (10, 1934296), (13, 1487920), (14, 1381640), (16, 1208935), (20, 967148), (26, 743960), (28, 690820), (35, 552656), (40, 483574), (52, 371980), (56, 345410), (65, 297584), (70, 276328), (80, 241787), (91, 212560), (104, 185990), (112, 172705), (130, 148792), (140, 138164), (182, 106280), (208, 92995), (260, 74396), (280, 69082), (364, 53140), (455, 42512), (520, 37198), (560, 34541), (728, 26570), (910, 21256), (1040, 18599), (1456, 13285), (1820, 10628), (2657, 7280), (3640, 5314)]