16519216

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1867}}^1$

素因数の和:1961

約数の個数: 40

約数和(自身を含む): 37061120

約数和(自身を除く): 20541904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 1867, 2212, 3734, 4424, 7468, 8848, 13069, 14936, 26138, 29872, 52276, 104552, 147493, 209104, 294986, 589972, 1032451, 1179944, 2064902, 2359888, 4129804, 8259608, 16519216]

約数ペア:

[(1, 16519216), (2, 8259608), (4, 4129804), (7, 2359888), (8, 2064902), (14, 1179944), (16, 1032451), (28, 589972), (56, 294986), (79, 209104), (112, 147493), (158, 104552), (316, 52276), (553, 29872), (632, 26138), (1106, 14936), (1264, 13069), (1867, 8848), (2212, 7468), (3734, 4424)]