19841072

素因数分解:

$2^4\times {\mathrm{743}}^1\times {\mathrm{1669}}^1$

素因数の和:2420

約数の個数: 20

約数和(自身を含む): 38516880

約数和(自身を除く): 18675808

約数列:

[1, 2, 4, 8, 16, 743, 1486, 1669, 2972, 3338, 5944, 6676, 11888, 13352, 26704, 1240067, 2480134, 4960268, 9920536, 19841072]

約数ペア:

[(1, 19841072), (2, 9920536), (4, 4960268), (8, 2480134), (16, 1240067), (743, 26704), (1486, 13352), (1669, 11888), (2972, 6676), (3338, 5944)]