19937826

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5351}}^1$

素因数の和:5388

約数の個数: 40

約数和(自身を含む): 46626624

約数和(自身を除く): 26688798

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5351, 10702, 16053, 32106, 48159, 96318, 123073, 144477, 246146, 288954, 369219, 433431, 738438, 866862, 1107657, 2215314, 3322971, 6645942, 9968913, 19937826]

約数ペア:

[(1, 19937826), (2, 9968913), (3, 6645942), (6, 3322971), (9, 2215314), (18, 1107657), (23, 866862), (27, 738438), (46, 433431), (54, 369219), (69, 288954), (81, 246146), (138, 144477), (162, 123073), (207, 96318), (414, 48159), (621, 32106), (1242, 16053), (1863, 10702), (3726, 5351)]