11912380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8389}}^1$

素因数の和:8469

約数の個数: 24

約数和(自身を含む): 25371360

約数和(自身を除く): 13458980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8389, 16778, 33556, 41945, 83890, 167780, 595619, 1191238, 2382476, 2978095, 5956190, 11912380]

約数ペア:

[(1, 11912380), (2, 5956190), (4, 2978095), (5, 2382476), (10, 1191238), (20, 595619), (71, 167780), (142, 83890), (284, 41945), (355, 33556), (710, 16778), (1420, 8389)]