18406528

素因数分解:

$2^7\times 7^1\times {\mathrm{20543}}^1$

素因数の和:20564

約数の個数: 32

約数和(自身を含む): 41909760

約数和(自身を除く): 23503232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20543, 41086, 82172, 143801, 164344, 287602, 328688, 575204, 657376, 1150408, 1314752, 2300816, 2629504, 4601632, 9203264, 18406528]

約数ペア:

[(1, 18406528), (2, 9203264), (4, 4601632), (7, 2629504), (8, 2300816), (14, 1314752), (16, 1150408), (28, 657376), (32, 575204), (56, 328688), (64, 287602), (112, 164344), (128, 143801), (224, 82172), (448, 41086), (896, 20543)]