18914731458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1247509}}^1$

素因数の和:1247559

約数の個数: 48

約数和(自身を含む): 45628925760

約数和(自身を除く): 26714194302

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 2166, 2527, 5054, 7581, 15162, 1247509, 2495018, 3742527, 7485054, 8732563, 17465126, 23702671, 26197689, 47405342, 52395378, 71108013, 142216026, 165918697, 331837394, 450350749, 497756091, 900701498, 995512182, 1351052247, 2702104494, 3152455243, 6304910486, 9457365729, 18914731458]

約数ペア:

[(1, 18914731458), (2, 9457365729), (3, 6304910486), (6, 3152455243), (7, 2702104494), (14, 1351052247), (19, 995512182), (21, 900701498), (38, 497756091), (42, 450350749), (57, 331837394), (114, 165918697), (133, 142216026), (266, 71108013), (361, 52395378), (399, 47405342), (722, 26197689), (798, 23702671), (1083, 17465126), (2166, 8732563), (2527, 7485054), (5054, 3742527), (7581, 2495018), (15162, 1247509)]