18814880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 51601536

約数和(自身を除く): 32786656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 107, 112, 140, 157, 160, 214, 224, 280, 314, 428, 535, 560, 628, 749, 785, 856, 1070, 1099, 1120, 1256, 1498, 1570, 1712, 2140, 2198, 2512, 2996, 3140, 3424, 3745, 4280, 4396, 5024, 5495, 5992, 6280, 7490, 8560, 8792, 10990, 11984, 12560, 14980, 16799, 17120, 17584, 21980, 23968, 25120, 29960, 33598, 35168, 43960, 59920, 67196, 83995, 87920, 117593, 119840, 134392, 167990, 175840, 235186, 268784, 335980, 470372, 537568, 587965, 671960, 940744, 1175930, 1343920, 1881488, 2351860, 2687840, 3762976, 4703720, 9407440, 18814880]

約数ペア:

[(1, 18814880), (2, 9407440), (4, 4703720), (5, 3762976), (7, 2687840), (8, 2351860), (10, 1881488), (14, 1343920), (16, 1175930), (20, 940744), (28, 671960), (32, 587965), (35, 537568), (40, 470372), (56, 335980), (70, 268784), (80, 235186), (107, 175840), (112, 167990), (140, 134392), (157, 119840), (160, 117593), (214, 87920), (224, 83995), (280, 67196), (314, 59920), (428, 43960), (535, 35168), (560, 33598), (628, 29960), (749, 25120), (785, 23968), (856, 21980), (1070, 17584), (1099, 17120), (1120, 16799), (1256, 14980), (1498, 12560), (1570, 11984), (1712, 10990), (2140, 8792), (2198, 8560), (2512, 7490), (2996, 6280), (3140, 5992), (3424, 5495), (3745, 5024), (4280, 4396)]