19749804980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51973171}}^1$

素因数の和:51973199

約数の個数: 24

約数和(自身を含む): 43657464480

約数和(自身を除く): 23907659500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51973171, 103946342, 207892684, 259865855, 519731710, 987490249, 1039463420, 1974980498, 3949960996, 4937451245, 9874902490, 19749804980]

約数ペア:

[(1, 19749804980), (2, 9874902490), (4, 4937451245), (5, 3949960996), (10, 1974980498), (19, 1039463420), (20, 987490249), (38, 519731710), (76, 259865855), (95, 207892684), (190, 103946342), (380, 51973171)]