18811996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39521}}^1$

素因数の和:39549

約数の個数: 24

約数和(自身を含む): 39838176

約数和(自身を除く): 21026180

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 39521, 79042, 158084, 276647, 553294, 671857, 1106588, 1343714, 2687428, 4702999, 9405998, 18811996]

約数ペア:

[(1, 18811996), (2, 9405998), (4, 4702999), (7, 2687428), (14, 1343714), (17, 1106588), (28, 671857), (34, 553294), (68, 276647), (119, 158084), (238, 79042), (476, 39521)]