18376078

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 16097522

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 98, 133, 139, 142, 266, 278, 497, 931, 973, 994, 1349, 1862, 1946, 2641, 2698, 3479, 5282, 6811, 6958, 9443, 9869, 13622, 18487, 18886, 19738, 36974, 66101, 69083, 129409, 132202, 138166, 187511, 258818, 375022, 483581, 967162, 1312577, 2625154, 9188039, 18376078]

約数ペア:

[(1, 18376078), (2, 9188039), (7, 2625154), (14, 1312577), (19, 967162), (38, 483581), (49, 375022), (71, 258818), (98, 187511), (133, 138166), (139, 132202), (142, 129409), (266, 69083), (278, 66101), (497, 36974), (931, 19738), (973, 18886), (994, 18487), (1349, 13622), (1862, 9869), (1946, 9443), (2641, 6958), (2698, 6811), (3479, 5282)]