18868640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 96

約数和(自身を含む): 53996544

約数和(自身を除く): 35127904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 991, 1120, 1190, 1360, 1904, 1982, 2380, 2720, 3808, 3964, 4760, 4955, 6937, 7928, 9520, 9910, 13874, 15856, 16847, 19040, 19820, 27748, 31712, 33694, 34685, 39640, 55496, 67388, 69370, 79280, 84235, 110992, 117929, 134776, 138740, 158560, 168470, 221984, 235858, 269552, 277480, 336940, 471716, 539104, 554960, 589645, 673880, 943432, 1109920, 1179290, 1347760, 1886864, 2358580, 2695520, 3773728, 4717160, 9434320, 18868640]

約数ペア:

[(1, 18868640), (2, 9434320), (4, 4717160), (5, 3773728), (7, 2695520), (8, 2358580), (10, 1886864), (14, 1347760), (16, 1179290), (17, 1109920), (20, 943432), (28, 673880), (32, 589645), (34, 554960), (35, 539104), (40, 471716), (56, 336940), (68, 277480), (70, 269552), (80, 235858), (85, 221984), (112, 168470), (119, 158560), (136, 138740), (140, 134776), (160, 117929), (170, 110992), (224, 84235), (238, 79280), (272, 69370), (280, 67388), (340, 55496), (476, 39640), (544, 34685), (560, 33694), (595, 31712), (680, 27748), (952, 19820), (991, 19040), (1120, 16847), (1190, 15856), (1360, 13874), (1904, 9910), (1982, 9520), (2380, 7928), (2720, 6937), (3808, 4955), (3964, 4760)]