19838142

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{9929}}^1$

素因数の和:9977

約数の個数: 32

約数和(自身を含む): 45280800

約数和(自身を除く): 25442658

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 9929, 19858, 29787, 59574, 89361, 178722, 268083, 367373, 536166, 734746, 1102119, 2204238, 3306357, 6612714, 9919071, 19838142]

約数ペア:

[(1, 19838142), (2, 9919071), (3, 6612714), (6, 3306357), (9, 2204238), (18, 1102119), (27, 734746), (37, 536166), (54, 367373), (74, 268083), (111, 178722), (222, 89361), (333, 59574), (666, 29787), (999, 19858), (1998, 9929)]