19118418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7829}}^1$

素因数の和:7882

約数の個数: 32

約数和(自身を含む): 42845760

約数和(自身を除く): 23727342

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 7829, 15658, 23487, 46974, 86119, 172238, 258357, 289673, 516714, 579346, 869019, 1738038, 3186403, 6372806, 9559209, 19118418]

約数ペア:

[(1, 19118418), (2, 9559209), (3, 6372806), (6, 3186403), (11, 1738038), (22, 869019), (33, 579346), (37, 516714), (66, 289673), (74, 258357), (111, 172238), (222, 86119), (407, 46974), (814, 23487), (1221, 15658), (2442, 7829)]