19837328

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4787}}^1$

素因数の和:4839

約数の個数: 40

約数和(自身を含む): 45122112

約数和(自身を除く): 25284784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4787, 9574, 19148, 33509, 38296, 67018, 76592, 134036, 177119, 268072, 354238, 536144, 708476, 1239833, 1416952, 2479666, 2833904, 4959332, 9918664, 19837328]

約数ペア:

[(1, 19837328), (2, 9918664), (4, 4959332), (7, 2833904), (8, 2479666), (14, 1416952), (16, 1239833), (28, 708476), (37, 536144), (56, 354238), (74, 268072), (112, 177119), (148, 134036), (259, 76592), (296, 67018), (518, 38296), (592, 33509), (1036, 19148), (2072, 9574), (4144, 4787)]