18916004

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{911}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 34473600

約数和(自身を除く): 15557596

約数列:

[1, 2, 4, 29, 58, 116, 179, 358, 716, 911, 1822, 3644, 5191, 10382, 20764, 26419, 52838, 105676, 163069, 326138, 652276, 4729001, 9458002, 18916004]

約数ペア:

[(1, 18916004), (2, 9458002), (4, 4729001), (29, 652276), (58, 326138), (116, 163069), (179, 105676), (358, 52838), (716, 26419), (911, 20764), (1822, 10382), (3644, 5191)]