1999465551

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{64601}}^1$

素因数の和:64807

約数の個数: 24

約数和(自身を含む): 3056966640

約数和(自身を除く): 1057501089

約数列:

[1, 3, 9, 19, 57, 171, 181, 543, 1629, 3439, 10317, 30951, 64601, 193803, 581409, 1227419, 3682257, 11046771, 11692781, 35078343, 105235029, 222162839, 666488517, 1999465551]

約数ペア:

[(1, 1999465551), (3, 666488517), (9, 222162839), (19, 105235029), (57, 35078343), (171, 11692781), (181, 11046771), (543, 3682257), (1629, 1227419), (3439, 581409), (10317, 193803), (30951, 64601)]