18897408

素因数分解:

$2^9\times 3^3\times {\mathrm{1367}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 37081152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1367, 1536, 1728, 2304, 2734, 3456, 4101, 4608, 5468, 6912, 8202, 10936, 12303, 13824, 16404, 21872, 24606, 32808, 36909, 43744, 49212, 65616, 73818, 87488, 98424, 131232, 147636, 174976, 196848, 262464, 295272, 349952, 393696, 524928, 590544, 699904, 787392, 1049856, 1181088, 1574784, 2099712, 2362176, 3149568, 4724352, 6299136, 9448704, 18897408]

約数ペア:

[(1, 18897408), (2, 9448704), (3, 6299136), (4, 4724352), (6, 3149568), (8, 2362176), (9, 2099712), (12, 1574784), (16, 1181088), (18, 1049856), (24, 787392), (27, 699904), (32, 590544), (36, 524928), (48, 393696), (54, 349952), (64, 295272), (72, 262464), (96, 196848), (108, 174976), (128, 147636), (144, 131232), (192, 98424), (216, 87488), (256, 73818), (288, 65616), (384, 49212), (432, 43744), (512, 36909), (576, 32808), (768, 24606), (864, 21872), (1152, 16404), (1367, 13824), (1536, 12303), (1728, 10936), (2304, 8202), (2734, 6912), (3456, 5468), (4101, 4608)]