18256964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:656

約数の個数: 36

約数和(自身を含む): 35705712

約数和(自身を除く): 17448748

約数列:

[1, 2, 4, 11, 22, 44, 67, 121, 134, 242, 268, 484, 563, 737, 1126, 1474, 2252, 2948, 6193, 8107, 12386, 16214, 24772, 32428, 37721, 68123, 75442, 136246, 150884, 272492, 414931, 829862, 1659724, 4564241, 9128482, 18256964]

約数ペア:

[(1, 18256964), (2, 9128482), (4, 4564241), (11, 1659724), (22, 829862), (44, 414931), (67, 272492), (121, 150884), (134, 136246), (242, 75442), (268, 68123), (484, 37721), (563, 32428), (737, 24772), (1126, 16214), (1474, 12386), (2252, 8107), (2948, 6193)]