18898305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 32897664

約数和(自身を除く): 13999359

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 2003, 3145, 6009, 9435, 10015, 30045, 34051, 74111, 102153, 170255, 222333, 370555, 510765, 1111665, 1259887, 3779661, 6299435, 18898305]

約数ペア:

[(1, 18898305), (3, 6299435), (5, 3779661), (15, 1259887), (17, 1111665), (37, 510765), (51, 370555), (85, 222333), (111, 170255), (185, 102153), (255, 74111), (555, 34051), (629, 30045), (1887, 10015), (2003, 9435), (3145, 6009)]