18343305

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15801975

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 479, 555, 851, 1035, 1437, 1665, 2395, 2553, 4255, 4311, 7185, 7659, 11017, 12765, 17723, 21555, 33051, 38295, 53169, 55085, 88615, 99153, 159507, 165255, 265845, 407629, 495765, 797535, 1222887, 2038145, 3668661, 6114435, 18343305]

約数ペア:

[(1, 18343305), (3, 6114435), (5, 3668661), (9, 2038145), (15, 1222887), (23, 797535), (37, 495765), (45, 407629), (69, 265845), (111, 165255), (115, 159507), (185, 99153), (207, 88615), (333, 55085), (345, 53169), (479, 38295), (555, 33051), (851, 21555), (1035, 17723), (1437, 12765), (1665, 11017), (2395, 7659), (2553, 7185), (4255, 4311)]