8726890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 17262720

約数和(自身を除く): 8535830

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 1997, 2185, 3994, 4370, 9985, 19970, 37943, 45931, 75886, 91862, 189715, 229655, 379430, 459310, 872689, 1745378, 4363445, 8726890]

約数ペア:

[(1, 8726890), (2, 4363445), (5, 1745378), (10, 872689), (19, 459310), (23, 379430), (38, 229655), (46, 189715), (95, 91862), (115, 75886), (190, 45931), (230, 37943), (437, 19970), (874, 9985), (1997, 4370), (2185, 3994)]