18120704

素因数分解:

$2^{15}\times 7^1\times {\mathrm{79}}^1$

素因数の和:116

約数の個数: 64

約数和(自身を含む): 41942400

約数和(自身を除く): 23821696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 512, 553, 632, 896, 1024, 1106, 1264, 1792, 2048, 2212, 2528, 3584, 4096, 4424, 5056, 7168, 8192, 8848, 10112, 14336, 16384, 17696, 20224, 28672, 32768, 35392, 40448, 57344, 70784, 80896, 114688, 141568, 161792, 229376, 283136, 323584, 566272, 647168, 1132544, 1294336, 2265088, 2588672, 4530176, 9060352, 18120704]

約数ペア:

[(1, 18120704), (2, 9060352), (4, 4530176), (7, 2588672), (8, 2265088), (14, 1294336), (16, 1132544), (28, 647168), (32, 566272), (56, 323584), (64, 283136), (79, 229376), (112, 161792), (128, 141568), (158, 114688), (224, 80896), (256, 70784), (316, 57344), (448, 40448), (512, 35392), (553, 32768), (632, 28672), (896, 20224), (1024, 17696), (1106, 16384), (1264, 14336), (1792, 10112), (2048, 8848), (2212, 8192), (2528, 7168), (3584, 5056), (4096, 4424)]