9987844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1163}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 18577440

約数和(自身を除く): 8589596

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 1163, 2147, 2326, 4294, 4652, 8588, 22097, 44194, 88388, 131419, 262838, 525676, 2496961, 4993922, 9987844]

約数ペア:

[(1, 9987844), (2, 4993922), (4, 2496961), (19, 525676), (38, 262838), (76, 131419), (113, 88388), (226, 44194), (452, 22097), (1163, 8588), (2147, 4652), (2326, 4294)]