18041848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3361}}^1$

素因数の和:3439

約数の個数: 32

約数和(自身を含む): 37519920

約数和(自身を除く): 19478072

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3361, 5368, 6722, 13444, 26888, 36971, 73942, 147884, 205021, 295768, 410042, 820084, 1640168, 2255231, 4510462, 9020924, 18041848]

約数ペア:

[(1, 18041848), (2, 9020924), (4, 4510462), (8, 2255231), (11, 1640168), (22, 820084), (44, 410042), (61, 295768), (88, 205021), (122, 147884), (244, 73942), (488, 36971), (671, 26888), (1342, 13444), (2684, 6722), (3361, 5368)]