19194880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 88

約数和(自身を含む): 48341952

約数和(自身を除く): 29147072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 163, 184, 230, 256, 320, 326, 368, 460, 512, 640, 652, 736, 815, 920, 1024, 1280, 1304, 1472, 1630, 1840, 2560, 2608, 2944, 3260, 3680, 3749, 5120, 5216, 5888, 6520, 7360, 7498, 10432, 11776, 13040, 14720, 14996, 18745, 20864, 23552, 26080, 29440, 29992, 37490, 41728, 52160, 58880, 59984, 74980, 83456, 104320, 117760, 119968, 149960, 166912, 208640, 239936, 299920, 417280, 479872, 599840, 834560, 959744, 1199680, 1919488, 2399360, 3838976, 4798720, 9597440, 19194880]

約数ペア:

[(1, 19194880), (2, 9597440), (4, 4798720), (5, 3838976), (8, 2399360), (10, 1919488), (16, 1199680), (20, 959744), (23, 834560), (32, 599840), (40, 479872), (46, 417280), (64, 299920), (80, 239936), (92, 208640), (115, 166912), (128, 149960), (160, 119968), (163, 117760), (184, 104320), (230, 83456), (256, 74980), (320, 59984), (326, 58880), (368, 52160), (460, 41728), (512, 37490), (640, 29992), (652, 29440), (736, 26080), (815, 23552), (920, 20864), (1024, 18745), (1280, 14996), (1304, 14720), (1472, 13040), (1630, 11776), (1840, 10432), (2560, 7498), (2608, 7360), (2944, 6520), (3260, 5888), (3680, 5216), (3749, 5120)]