19469860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1013}}^1$

素因数の和:1084

約数の個数: 36

約数和(自身を含む): 42289884

約数和(自身を除く): 22820024

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1013, 1922, 2026, 3844, 4052, 4805, 5065, 9610, 10130, 19220, 20260, 31403, 62806, 125612, 157015, 314030, 628060, 973493, 1946986, 3893972, 4867465, 9734930, 19469860]

約数ペア:

[(1, 19469860), (2, 9734930), (4, 4867465), (5, 3893972), (10, 1946986), (20, 973493), (31, 628060), (62, 314030), (124, 157015), (155, 125612), (310, 62806), (620, 31403), (961, 20260), (1013, 19220), (1922, 10130), (2026, 9610), (3844, 5065), (4052, 4805)]