18278320544

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{65981}}^1$

素因数の和:66789

約数の個数: 48

約数和(自身を含む): 39307324896

約数和(自身を除く): 21029004352

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 787, 1574, 3148, 6296, 8657, 12592, 17314, 25184, 34628, 65981, 69256, 131962, 138512, 263924, 277024, 527848, 725791, 1055696, 1451582, 2111392, 2903164, 5806328, 11612656, 23225312, 51927047, 103854094, 207708188, 415416376, 571197517, 830832752, 1142395034, 1661665504, 2284790068, 4569580136, 9139160272, 18278320544]

約数ペア:

[(1, 18278320544), (2, 9139160272), (4, 4569580136), (8, 2284790068), (11, 1661665504), (16, 1142395034), (22, 830832752), (32, 571197517), (44, 415416376), (88, 207708188), (176, 103854094), (352, 51927047), (787, 23225312), (1574, 11612656), (3148, 5806328), (6296, 2903164), (8657, 2111392), (12592, 1451582), (17314, 1055696), (25184, 725791), (34628, 527848), (65981, 277024), (69256, 263924), (131962, 138512)]