18427904

素因数分解:

$2^{12}\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:444

約数の個数: 52

約数和(自身を含む): 40299720

約数和(自身を除く): 21871816

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 409, 512, 704, 818, 1024, 1408, 1636, 2048, 2816, 3272, 4096, 4499, 5632, 6544, 8998, 11264, 13088, 17996, 22528, 26176, 35992, 45056, 52352, 71984, 104704, 143968, 209408, 287936, 418816, 575872, 837632, 1151744, 1675264, 2303488, 4606976, 9213952, 18427904]

約数ペア:

[(1, 18427904), (2, 9213952), (4, 4606976), (8, 2303488), (11, 1675264), (16, 1151744), (22, 837632), (32, 575872), (44, 418816), (64, 287936), (88, 209408), (128, 143968), (176, 104704), (256, 71984), (352, 52352), (409, 45056), (512, 35992), (704, 26176), (818, 22528), (1024, 17996), (1408, 13088), (1636, 11264), (2048, 8998), (2816, 6544), (3272, 5632), (4096, 4499)]